Align text in the center by ignoring the absolutely positioned element

Align text in the center by ignoring the absolutely positioned element - javascript

I am developing a flex table from scratch and the table supports filtering and sorting. The icons for filters and sorting are displayed in the table header (right corner). Also my table supports that the user can position the header text left/center;
My problem:
Since the icons are inside the table header, icons as well occupies some space. So when i position the elements in the center, i see the alignment gets disturbed as shown below.
body {
width: 100%;
}
.table-header, .table-body {
display: flex;
width: fit-content;
border: 1px solid black;
padding: 10px;
}
.header, .data {
display: flex;
min-width: 150px;
width: 150px;
border-right: 1px solid black;
display: flex;
justify-content: center;
position: relative;
}
.header .text {
width: 100%;
white-space: nowrap;
text-align: center;
overflow: hidden;
text-overflow: ellipsis;
}
.icons {
float: right;
right: 0;
display: flex;
}
<div class="table">
<div class="table-header">
<div class="header">
<div class="text">Hlkjklkjlkjlkj lkjlkjlkjlkjlkjljlkjlkj</div>
<div class="icons">
<span> &#9760</span>
<span> &#9760</span>
</div>
</div>
<div class="header">9747
<div class="text">Header 2</div>
<div class="icons">
<span>b</span>
<span>b</span>
</div>
</div>
<div class="header">
<div class="text">Header 3</div>
<div class="icons">
<span>a</span>
<span>b</span>
</div>
</div>
<div class="header">
<div class="text">Header 4</div>
<div class="icons">
<span>a</span>
<span>b</span>
</div>
</div>
</div>
<div class="table-body">
<div class="data">123</div>
<div class="data">123</div>
<div class="data">123</div>
<div class="data">123</div>
</div>
<div class="table-body">
<div class="data">123</div>
<div class="data">123</div>
<div class="data">123</div>
<div class="data">123</div>
</div><div class="table-body">
<div class="data">123</div>
<div class="data">123</div>
<div class="data">123</div>
<div class="data">123</div>
</div>
</div>
Code: Here
What i tried
So since the icons as well take some space, to avoid this i positioned them absolutely relative to the header. So the alignment problem got solved . But for long headers where ellipsis has to be shown, the ellipsis hides behind the icons as shown below
Code: Here
So what is the solution to this ? I want to maintain the center position by reducing the space occupied by the icons. Is it possible through CSS? Please help. Thanks :)

If you try to do that with absolute positioning you need to know what exact width your icons can take.
Then possible solution is to add padding rule (left/right) into table headers, so CSS code should be like this:
body {
width: 100%;
}
.table-header, .table-body {
display: flex;
width: fit-content;
border: 1px solid black;
padding: 10px;
}
.header, .data {
box-sizing: border-box;
padding: 0 30px;
display: flex;
min-width: 150px;
width: 150px;
border-right: 1px solid black;
display: flex;
justify-content: center;
position: relative;
}
.header .text {
width: 100%;
white-space: nowrap;
text-align: center;
overflow: hidden;
text-overflow: ellipsis;
}
.icons {
position: absolute;
right: 0;
}

Related

Increase parent div height when more child is added

I have a parent div with multiple child divs. Currently, the child divs are spaced around the parent div in order to fit the parent div equally and it works fine but what I'm trying to achieve is when more child divs are added the parent divs height increases in size but the child divs height stays the same. How can I achieve this? What it currently does when you add more child divs is the parent height stays the same but the child divs height will get shorter in order to fit the parent div but what I want is the other way around. When more child div is added I want the parent div to increase in height kinda like the parent div having a height of auto. How can I achieve this? Any help is appreciated. Thanks in advance.
.items {
display: flex;
flex-direction: column;
justify-content: space-around;
align-items: center;
position: absolute;
top: 6%;
left: 15%;
width: 70%;
height: 60%;
background-color: gold;
}
.data {
width: 100%;
height: 35%;
background-color: #187bcd;
border-top: 2px solid #000000;
}
<div class="items">
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
</div>

Just remove the % height from your .items div, then set a fixed height on your child elems.
<button>Add div</button>
<div class="items">
<div class="data"></div>
<div class="data"></div>
</div>
<style>
.items {
display: flex;
flex-direction: column;
justify-content: space-around;
align-items: center;
position: absolute;
top: 6%;
left: 15%;
width: 70%;
background-color: gold;
}
.data {
width: 100%;
height: 75px; /* Fixed height here */
background-color: #187bcd;
border-top: 2px solid #000000;
}
</style>
<script>
const button = document.querySelector('button');
const div = document.querySelector('div.items');
button.addEventListener('click', () => {
const newDiv = document.createElement('div');
newDiv.className = 'data';
div.appendChild(newDiv);
});
</script>

You can apply a non-parentally-relative length unit (like em and px) to do that, if that's what you want:
.items {
display: flex;
flex-direction: column;
justify-content: space-around;
align-items: center;
position: absolute;
top: 6%;
left: 15%;
width: 70%;
background-color: gold;
}
.data {
width: 100%;
height: 2em;
background-color: #187bcd;
border-top: 2px solid #000000;
}
<div class="items">
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
<div class="data">
</div>
</div>

min-height: (less than or equals the height of the child element)

Center remaining bootstrap columns [duplicate]

How to center div horizontally, and vertically within the container using flexbox. In below example, I want each number below each other (in rows), which are centered horizontally.
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: flex;
align-items: center;
justify-content: center;
}
row {
width: 100%;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
}
<div class="flex-container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
http://codepen.io/anon/pen/zLxBo

I think you want something like the following.
html, body {
height: 100%;
}
body {
margin: 0;
}
.flex-container {
height: 100%;
padding: 0;
margin: 0;
display: flex;
align-items: center;
justify-content: center;
}
.row {
width: auto;
border: 1px solid blue;
}
.flex-item {
background-color: tomato;
padding: 5px;
width: 20px;
height: 20px;
margin: 10px;
line-height: 20px;
color: white;
font-weight: bold;
font-size: 2em;
text-align: center;
}
<div class="flex-container">
<div class="row">
<div class="flex-item">1</div>
<div class="flex-item">2</div>
<div class="flex-item">3</div>
<div class="flex-item">4</div>
</div>
</div>
See demo at: http://jsfiddle.net/audetwebdesign/tFscL/
Your .flex-item elements should be block level (div instead of span) if you want the height and top/bottom padding to work properly.
Also, on .row, set the width to auto instead of 100%.
Your .flex-container properties are fine.
If you want the .row to be centered vertically in the view port, assign 100% height to html and body, and also zero out the body margins.
Note that .flex-container needs a height to see the vertical alignment effect, otherwise, the container computes the minimum height needed to enclose the content, which is less than the view port height in this example.
Footnote:
The flex-flow, flex-direction, flex-wrap properties could have made this design easier to implement. I think that the .row container is not needed unless you want to add some styling around the elements (background image, borders and so on).
A useful resource is: http://demo.agektmr.com/flexbox/

How to Center Elements Vertically and Horizontally in Flexbox
Below are two general centering solutions.
One for vertically-aligned flex items (flex-direction: column) and the other for horizontally-aligned flex items (flex-direction: row).
In both cases the height of the centered divs can be variable, undefined, unknown, whatever. The height of the centered divs doesn't matter.
Here's the HTML for both:
<div id="container"><!-- flex container -->
<div class="box" id="bluebox"><!-- flex item -->
<p>DIV #1</p>
</div>
<div class="box" id="redbox"><!-- flex item -->
<p>DIV #2</p>
</div>
</div>
CSS (excluding decorative styles)
When flex items are stacked vertically:
#container {
display: flex; /* establish flex container */
flex-direction: column; /* make main axis vertical */
justify-content: center; /* center items vertically, in this case */
align-items: center; /* center items horizontally, in this case */
height: 300px;
}
.box {
width: 300px;
margin: 5px;
text-align: center; /* will center text in <p>, which is not a flex item */
}
DEMO
When flex items are stacked horizontally:
Adjust the flex-direction rule from the code above.
#container {
display: flex;
flex-direction: row; /* make main axis horizontal (default setting) */
justify-content: center; /* center items horizontally, in this case */
align-items: center; /* center items vertically, in this case */
height: 300px;
}
DEMO
Centering the content of the flex items
The scope of a flex formatting context is limited to a parent-child relationship. Descendants of a flex container beyond the children do not participate in flex layout and will ignore flex properties. Essentially, flex properties are not inheritable beyond the children.
Hence, you will always need to apply display: flex or display: inline-flex to a parent element in order to apply flex properties to the child.
In order to vertically and/or horizontally center text or other content contained in a flex item, make the item a (nested) flex container, and repeat the centering rules.
.box {
display: flex;
justify-content: center;
align-items: center; /* for single line flex container */
align-content: center; /* for multi-line flex container */
}
More details here: How to vertically align text inside a flexbox?
Alternatively, you can apply margin: auto to the content element of the flex item.
p { margin: auto; }
Learn about flex auto margins here: Methods for Aligning Flex Items (see box#56).
Centering multiple lines of flex items
When a flex container has multiple lines (due to wrapping) the align-content property will be necessary for cross-axis alignment.
From the spec:
8.4. Packing Flex Lines: the align-content
property
The align-content property aligns a flex container’s lines within the
flex container when there is extra space in the cross-axis, similar to
how justify-content aligns individual items within the main-axis.
Note, this property has no effect on a single-line flex container.
More details here: How does flex-wrap work with align-self, align-items and align-content?
Browser support
Flexbox is supported by all major browsers, except IE < 10. Some recent browser versions, such as Safari 8 and IE10, require vendor prefixes. For a quick way to add prefixes use Autoprefixer. More details in this answer.
Centering solution for older browsers
For an alternative centering solution using CSS table and positioning properties see this answer: https://stackoverflow.com/a/31977476/3597276

Add
.container {
display: flex;
justify-content: center;
align-items: center;
}
to the container element of whatever you want to center. Documentation:
justify-content and
align-items.

You can make use of
display: flex;
align-items: center;
justify-content: center;
on your parent component

Don't forgot to use important browsers specific attributes:
align-items: center; -->
-webkit-box-align: center;
-moz-box-align: center;
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
justify-content: center; -->
-webkit-box-pack: center;
-moz-box-pack: center;
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
You could read this two links for better understanding flex:
http://css-tricks.com/almanac/properties/j/justify-content/ and
http://ptb2.me/flexbox/
Good Luck.

Use this:
html, body {
display: flex;
align-items: center;
justify-content: center;
height: 100%;
}
for some HTML markup like this:
<html>
<body>
<main>
<button> abc </button>
<p> something </p>
</main>
</body>
</html>
html, body {
display: flex;
align-items: center;
justify-content: center;
height: 100%;
}
<html>
<body>
<main>
<button> abc </button>
<p> something </p>
</main>
</body>
</html>

1 - Set CSS on parent div to display: flex;
2 - Set CSS on parent div to flex-direction: column; Note that this will make all content within that div line up top to bottom. This will work best if the parent div only contains the child and nothing else.
3 - Set CSS on parent div to justify-content: center;
Here is an example of what the CSS will look like:
.parentDivClass {
display: flex;
flex-direction: column;
justify-content: center;
}

diplay: flex; for it's container and margin:auto; for it's item works perfect.
NOTE: You have to setup the width and height to see the effect.
#container{
width: 100%; /*width needs to be setup*/
height: 150px; /*height needs to be setup*/
display: flex;
}
.item{
margin: auto; /*These will make the item in center*/
background-color: #CCC;
}
<div id="container">
<div class="item">CENTER</div>
</div>

margin: auto works "perfectly" with flexbox i.e. it allows to center item vertically and horizontally.
html, body {
height: 100%;
max-height: 100%;
}
.flex-container {
display: flex;
height: 100%;
background-color: green;
}
.container {
display: flex;
margin: auto;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS</title>
</head>
<body>
<div class="flex-container">
<div class="container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
</div>
</body>
</html>

If you need to center a text in a link this will do the trick:
div {
display: flex;
width: 200px;
height: 80px;
background-color: yellow;
}
a {
display: flex;
align-items: center;
justify-content: center;
text-align: center; /* only important for multiple lines */
padding: 0 20px;
background-color: silver;
border: 2px solid blue;
}
<div>
text
text with two lines
</div>

RESULT:
CODE
HTML:
<div class="flex-container">
<div class="rows">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
</div>
CSS:
html, body {
height: 100%;
}
.flex-container {
display: flex;
justify-content: center;
align-items: center;
height: 100%;
}
.rows {
display: flex;
flex-direction: column;
}
where flex-container div is used to center vertically and horizontally your rows div, and rows div is used to group your "items" and ordering them in a column based one.

You can add flex-direction:column to flex-container
.flex-container {
flex-direction: column;
}
Add display:inline-block to flex-item
.flex-item {
display: inline-block;
}
because you added width and height has no effect on this element since it has a display of inline. Try adding display:inline-block or display:block. Learn more about width and height.
Also add to row class( you are given row{} not taken as style)
.row{
width:100%;
margin:0 auto;
text-align:center;
}
Working Demo in Row :
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: flex;
align-items: center;
justify-content:center;
flex-direction:column;
}
.row{
width:100%;
margin:0 auto;
text-align:center;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
display: inline-block;
}
<div class="flex-container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
Working Demo in Column :
.flex-container {
padding: 0;
margin: 0;
width: 100%;
list-style: none;
display: flex;
align-items: center;
}
.row {
width: 100%;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
display: inline-block;
}
<div class="flex-container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>

Hope this will help.
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: flex;
align-items: center;
justify-content: center;
}
row {
width: 100%;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
}

Using CSS+
<div class="EXTENDER">
<div class="PADDER-CENTER">
<div contentEditable="true">Edit this text...</div>
</div>
</div>
take a look HERE

List item will go second column automatic and container space will also increase [duplicate]

This question already has answers here:
When flexbox items wrap in column mode, container does not grow its width
(9 answers)
Closed 4 years ago.
I'm trying to build navigation which will be vertical. Navigation's outer width will be fixed and when the item will be increased then other items will go to the next column.
I tried it with flexbox and added flex-wrap: wrap; in the container. But cant design this.
I tried with these codes.
.container {
display: flex;
flex-direction: column;
height: 320px;
width: 80px;
flex-wrap: wrap;
background: red;
padding: 10px
}
.item {
padding: 20px 30px;
background: #efefef;
display: inline-block;
margin: 0 5px 5px 0;
width: 20px
}
<div class="container">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="item">6</div>
<div class="item">7</div>
</div>

Instead of width: 80px; give width: auto or do not provide width at all. When the number of items increases touches to the bottom of the container it will be added to the next column.
You do not have control over the container with here. You should make it flexible with auto width.
Learn more here.
.container {
display: flex;
flex-direction: column;
height: 320px;
flex-wrap: wrap;
background: red;
padding: 10px;
width: auto;
}
.item {
padding: 20px 30px;
background: #efefef;
display: block;
margin: 0 5px 5px 0;
width: 20px;
}
<div class="container">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="item">6</div>
<div class="item">7</div>
<div class="item">8</div>
</div>

How to hide a flexbox element with smoth effect

I need to center divs and hide them on each click, the problem is when I use hide() and flexbox it makes a rude effect after dissapear, but if you just simply float elements to left it makes fine, how can I achieve this?
I need to apply exactly the same disappearing effect that is in the
first example to the second one (with flexbox).
Here is the example:
$(".example1, .example2").click(function(){
$(this).hide("slow")
});
.main{
border: 2px solid black;
height: 100%;
width: 100%;
}
.example1{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
float: left;
}
.example2{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
float: left;
text-align: center;
margin-left: 8px;
}
.second{
border: 2px solid black;
display: flex;
display: -webkit-flex;
flex-wrap: wrap;
-webkit-flex-wrap: wrap;
justify-content: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="main">
With simple float left it hides slowly fine:
<div class="first">
<div class="example1">1</div>
<div class="example1">2</div>
<div class="example1">3</div>
<div class="example1">4</div>
<div class="example1">5</div>
<div class="example1">6</div>
<div class="example1">7</div>
<div class="example1">8</div>
<div class="example1">9</div>
<div class="example1">10</div>
<div class="example1">11</div>
<div class="example1">12</div>
<div class="example1">12</div>
<div class="example1">13</div>
<div>
<br><br><br><br><br><br><br><br><br><br><br><br><br>
Now flex center, when you hide it makes rude effect, it isnt like div.example1:
<div class="second">
<div class="example2">1</div>
<div class="example2">2</div>
<div class="example2">3</div>
<div class="example2">4</div>
<div class="example2">5</div>
<div class="example2">6</div>
<div class="example2">7</div>
<div class="example2">8</div>
<div class="example2">9</div>
<div class="example2">10</div>
<div class="example2">11</div>
<div class="example2">12</div>
<div class="example2">13</div>
<div class="example2">14</div>
</div>
</div>

Use flex-start for justify content instead of center. Now it has the same effect as with float. You can also use fadeOut instead of hide to achieve effect you want.
$(".example1, .example2").click(function(){
$(this).fadeOut("slow")
});
.main{
border: 2px solid black;
height: 100%;
width: 100%;
}
.example1{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
float: left;
}
.example2{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
display: flex;
justify-content: flex-start;
text-align: center;
margin-left: 8px;
}
.second{
border: 2px solid black;
display: flex;
display: -webkit-flex;
flex-wrap: wrap;
-webkit-flex-wrap: wrap;
justify-content: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="main">
With simple float left it hides slowly fine:
<div class="first">
<div class="example1">1</div>
<div class="example1">2</div>
<div class="example1">3</div>
<div class="example1">4</div>
<div class="example1">5</div>
<div class="example1">6</div>
<div class="example1">7</div>
<div class="example1">8</div>
<div class="example1">9</div>
<div class="example1">10</div>
<div class="example1">11</div>
<div class="example1">12</div>
<div class="example1">12</div>
<div class="example1">13</div>
<div>
<br><br><br><br><br><br><br><br><br><br><br><br><br>
Now flex center, when you hide it makes rude effect, it isnt like div.example1:
<div class="second">
<div class="example2">1</div>
<div class="example2">2</div>
<div class="example2">3</div>
<div class="example2">4</div>
<div class="example2">5</div>
<div class="example2">6</div>
<div class="example2">7</div>
<div class="example2">8</div>
<div class="example2">9</div>
<div class="example2">10</div>
<div class="example2">11</div>
<div class="example2">12</div>
<div class="example2">13</div>
<div class="example2">14</div>
</div>
</div>

First, you can notice that this issue doesn't happen when you try to remove an item from the last row (excluding the first one in the last row). The issue appears when the first element of the row n suddenly go to the row n-1 because of 2 things :
You are trying to remove this first element so its width is going to 0 then for sure he will be able to fit into the previous row.
You are trying to remove any element so its width is going to 0 and you are creating enough space for the first element of next row to jump on it.
And this is simply due to center alignment as there is no difference if you do it with float, inline-block or flex. What is happening is that during the transition all the elements are moving to the center and when the new element comes (the first one of the next row) all the elements are re-placed again to keep the center alignement and then you have the rude effect !
With left alignment all the elements will move to the left during the transition and they won't move again at the end of transition (when the new element comes) so we don't have any rude effect.
Here is a snippet that shows inline-block and flex working fine with left alignment :
$(".example2, .example1").click(function() {
$(this).hide("slow");
});
.main {
border: 2px solid black;
height: 100%;
width: 100%;
}
.example1 {
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
text-align: center;
display:inline-block;
margin: 8px;
transition:margin 0.6s;
}
.example2 {
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
text-align: center;
float:left;
display:inline-block;
margin: 8px;
transition:margin 0.6s;
}
.first {
border: 2px solid black;
display: flex;
flex-wrap: wrap;
}
.second {
border: 2px solid black;
display: flex;
flex-wrap: wrap;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="main">
inline-block
<div class="first">
<div class="example1">1</div>
<div class="example1">2</div>
<div class="example1">3</div>
<div class="example1">4</div>
<div class="example1">5</div>
<div class="example1">6</div>
<div class="example1">7</div>
<div class="example1">8</div>
<div class="example1">9</div>
<div class="example1">10</div>
<div class="example1">11</div>
<div class="example1">12</div>
<div class="example1">13</div>
<div class="example1">14</div>
<div class="example1">15</div>
<div class="example1">16</div>
<div class="example1">17</div>
<div class="example1">18</div>
<div class="example1">19</div>
</div>
flex solution
<div class="second">
<div class="example2">1</div>
<div class="example2">2</div>
<div class="example2">3</div>
<div class="example2">4</div>
<div class="example2">5</div>
<div class="example2">6</div>
<div class="example2">7</div>
<div class="example2">8</div>
<div class="example2">9</div>
<div class="example2">10</div>
<div class="example2">11</div>
<div class="example2">12</div>
<div class="example2">13</div>
<div class="example2">14</div>
<div class="example2">15</div>
<div class="example2">16</div>
<div class="example2">17</div>
<div class="example2">18</div>
<div class="example2">19</div>
</div>
</div>
Unfortunately, I don't have a solution to this if you want to only use the hide() of jQuery. Maybe some ideas of solution is to make a more complex code that will avoid the centered elements to move in two directions (you may for example change margin property at the same time to cancel the movement) or you can keep the left alignment and find some trick to simulate the centering (dynamically add some margin when window resize for example).
Hope this will help you to investigate more (even if I didn't really give a solution).

Well as pointed out already it would require some kind of "physics engine" moving the other blocks up smoothly etc.
But I made an attempt anyway which looks a bit more smooth at least.
$(".example1, .example2").click(function(){
var time = 600;
var $parent = $(this).parent();
$parent.animate({'width': '90%'}, time/2, function() {
$parent.animate({'width': '100%'}, time/2);
});
$(this).hide(time);
});
.main{
border: 2px solid black;
height: 100%;
width: 100%;
}
.example1{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
float: left;
}
.example2{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
float: left;
text-align: center;
margin-left: 8px;
}
.second{
display: flex;
display: -webkit-flex;
flex-wrap: wrap;
-webkit-flex-wrap: wrap;
justify-content: center;
overflow: hidden;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="main">
<div class="second">
<div class="example2">1</div>
<div class="example2">2</div>
<div class="example2">3</div>
<div class="example2">4</div>
<div class="example2">5</div>
<div class="example2">6</div>
<div class="example2">7</div>
<div class="example2">8</div>
<div class="example2">9</div>
<div class="example2">10</div>
<div class="example2">11</div>
<div class="example2">12</div>
<div class="example2">13</div>
<div class="example2">14</div>
</div>
</div>

You can achieve the above without flex by making the children div's as inline-block with the parent being set with text-align:center, please take a look at this.
$(".example1, .example2").click(function(){
$(this).fadeOut("slow");
});
.main{
border: 2px dotted black;
height: 100%;
width: 100%;
}
.example1{
display: inline-block;
background-color: steelblue;
color: #FFF;
cursor: pointer;
margin: 10px;
padding: 15px 20px;
}
.first{
text-align: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script>
<div class="main">
<div class="first">
<div class="example1">1</div>
<div class="example1">2</div>
<div class="example1">3</div>
<div class="example1">4</div>
<div class="example1">5</div>
<div class="example1">6</div>
<div class="example1">7</div>
<div class="example1">8</div>
<div class="example1">9</div>
<div class="example1">10</div>
<div class="example1">11</div>
<div class="example1">12</div>
<div class="example1">12</div>
<div class="example1">13</div>
</div>
</div>

My idea is: fade the whole parent container during reordering.
The effect will not so rude.
$(".second div").click(function() {
$(this).hide("slow");
var p = $(this).parent();
p.addClass("hidden");
setTimeout(function() {
p.removeClass("hidden")
}, 300);
});
p {
clear: both;
}
.second {
display: flex;
flex-wrap: wrap;
justify-content: center;
border: 2px solid black;
transition: 200ms;
}
.second div {
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
}
.hidden {
opacity: 0;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="second">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
<div>10</div>
<div>11</div>
<div>12</div>
<div>13</div>
<div>14</div>
</div>

Instead of justify-content: center I changed it to justify-content: space-evenly (in your case, looks somewhat similar to center only) also updated the function from simply hiding to .animate and then .hide. Will it do?
$(".example1, .example2").click(function(){
var _this = this;
$(_this).animate({width: "0"}, 500, function(){ $(_this).hide(500) })
});
.main{
border: 2px solid black;
height: 100%;
width: 100%;
}
.example1{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
float: left;
}
.example2{
background-color: grey;
width: 50px;
height: 50px;
margin: 10px;
float: left;
text-align: center;
margin-left: 8px;
overflow: hidden;
}
.second{
border: 2px solid black;
display: flex;
display: -webkit-flex;
flex-wrap: wrap;
-webkit-flex-wrap: wrap;
justify-content: space-evenly;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="main">
With simple float left it hides slowly fine:
<div class="first">
<div class="example1">1</div>
<div class="example1">2</div>
<div class="example1">3</div>
<div class="example1">4</div>
<div class="example1">5</div>
<div class="example1">6</div>
<div class="example1">7</div>
<div class="example1">8</div>
<div class="example1">9</div>
<div class="example1">10</div>
<div class="example1">11</div>
<div class="example1">12</div>
<div class="example1">12</div>
<div class="example1">13</div>
<div>
<br><br><br><br><br><br><br><br><br><br><br><br><br>
Now flex center, when you hide it makes rude effect, it isnt like div.example1:
<div class="second">
<div class="example2">1</div>
<div class="example2">2</div>
<div class="example2">3</div>
<div class="example2">4</div>
<div class="example2">5</div>
<div class="example2">6</div>
<div class="example2">7</div>
<div class="example2">8</div>
<div class="example2">9</div>
<div class="example2">10</div>
<div class="example2">11</div>
<div class="example2">12</div>
<div class="example2">13</div>
<div class="example2">14</div>
</div>
</div>

Modal not displaying in center of page with flexbox [duplicate]

How to center div horizontally, and vertically within the container using flexbox. In below example, I want each number below each other (in rows), which are centered horizontally.
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: flex;
align-items: center;
justify-content: center;
}
row {
width: 100%;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
}
<div class="flex-container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
http://codepen.io/anon/pen/zLxBo

I think you want something like the following.
html, body {
height: 100%;
}
body {
margin: 0;
}
.flex-container {
height: 100%;
padding: 0;
margin: 0;
display: flex;
align-items: center;
justify-content: center;
}
.row {
width: auto;
border: 1px solid blue;
}
.flex-item {
background-color: tomato;
padding: 5px;
width: 20px;
height: 20px;
margin: 10px;
line-height: 20px;
color: white;
font-weight: bold;
font-size: 2em;
text-align: center;
}
<div class="flex-container">
<div class="row">
<div class="flex-item">1</div>
<div class="flex-item">2</div>
<div class="flex-item">3</div>
<div class="flex-item">4</div>
</div>
</div>
See demo at: http://jsfiddle.net/audetwebdesign/tFscL/
Your .flex-item elements should be block level (div instead of span) if you want the height and top/bottom padding to work properly.
Also, on .row, set the width to auto instead of 100%.
Your .flex-container properties are fine.
If you want the .row to be centered vertically in the view port, assign 100% height to html and body, and also zero out the body margins.
Note that .flex-container needs a height to see the vertical alignment effect, otherwise, the container computes the minimum height needed to enclose the content, which is less than the view port height in this example.
Footnote:
The flex-flow, flex-direction, flex-wrap properties could have made this design easier to implement. I think that the .row container is not needed unless you want to add some styling around the elements (background image, borders and so on).
A useful resource is: http://demo.agektmr.com/flexbox/

How to Center Elements Vertically and Horizontally in Flexbox
Below are two general centering solutions.
One for vertically-aligned flex items (flex-direction: column) and the other for horizontally-aligned flex items (flex-direction: row).
In both cases the height of the centered divs can be variable, undefined, unknown, whatever. The height of the centered divs doesn't matter.
Here's the HTML for both:
<div id="container"><!-- flex container -->
<div class="box" id="bluebox"><!-- flex item -->
<p>DIV #1</p>
</div>
<div class="box" id="redbox"><!-- flex item -->
<p>DIV #2</p>
</div>
</div>
CSS (excluding decorative styles)
When flex items are stacked vertically:
#container {
display: flex; /* establish flex container */
flex-direction: column; /* make main axis vertical */
justify-content: center; /* center items vertically, in this case */
align-items: center; /* center items horizontally, in this case */
height: 300px;
}
.box {
width: 300px;
margin: 5px;
text-align: center; /* will center text in <p>, which is not a flex item */
}
DEMO
When flex items are stacked horizontally:
Adjust the flex-direction rule from the code above.
#container {
display: flex;
flex-direction: row; /* make main axis horizontal (default setting) */
justify-content: center; /* center items horizontally, in this case */
align-items: center; /* center items vertically, in this case */
height: 300px;
}
DEMO
Centering the content of the flex items
The scope of a flex formatting context is limited to a parent-child relationship. Descendants of a flex container beyond the children do not participate in flex layout and will ignore flex properties. Essentially, flex properties are not inheritable beyond the children.
Hence, you will always need to apply display: flex or display: inline-flex to a parent element in order to apply flex properties to the child.
In order to vertically and/or horizontally center text or other content contained in a flex item, make the item a (nested) flex container, and repeat the centering rules.
.box {
display: flex;
justify-content: center;
align-items: center; /* for single line flex container */
align-content: center; /* for multi-line flex container */
}
More details here: How to vertically align text inside a flexbox?
Alternatively, you can apply margin: auto to the content element of the flex item.
p { margin: auto; }
Learn about flex auto margins here: Methods for Aligning Flex Items (see box#56).
Centering multiple lines of flex items
When a flex container has multiple lines (due to wrapping) the align-content property will be necessary for cross-axis alignment.
From the spec:
8.4. Packing Flex Lines: the align-content
property
The align-content property aligns a flex container’s lines within the
flex container when there is extra space in the cross-axis, similar to
how justify-content aligns individual items within the main-axis.
Note, this property has no effect on a single-line flex container.
More details here: How does flex-wrap work with align-self, align-items and align-content?
Browser support
Flexbox is supported by all major browsers, except IE < 10. Some recent browser versions, such as Safari 8 and IE10, require vendor prefixes. For a quick way to add prefixes use Autoprefixer. More details in this answer.
Centering solution for older browsers
For an alternative centering solution using CSS table and positioning properties see this answer: https://stackoverflow.com/a/31977476/3597276

Add
.container {
display: flex;
justify-content: center;
align-items: center;
}
to the container element of whatever you want to center. Documentation:
justify-content and
align-items.

You can make use of
display: flex;
align-items: center;
justify-content: center;
on your parent component

Don't forgot to use important browsers specific attributes:
align-items: center; -->
-webkit-box-align: center;
-moz-box-align: center;
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
justify-content: center; -->
-webkit-box-pack: center;
-moz-box-pack: center;
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
You could read this two links for better understanding flex:
http://css-tricks.com/almanac/properties/j/justify-content/ and
http://ptb2.me/flexbox/
Good Luck.

Use this:
html, body {
display: flex;
align-items: center;
justify-content: center;
height: 100%;
}
for some HTML markup like this:
<html>
<body>
<main>
<button> abc </button>
<p> something </p>
</main>
</body>
</html>
html, body {
display: flex;
align-items: center;
justify-content: center;
height: 100%;
}
<html>
<body>
<main>
<button> abc </button>
<p> something </p>
</main>
</body>
</html>

1 - Set CSS on parent div to display: flex;
2 - Set CSS on parent div to flex-direction: column; Note that this will make all content within that div line up top to bottom. This will work best if the parent div only contains the child and nothing else.
3 - Set CSS on parent div to justify-content: center;
Here is an example of what the CSS will look like:
.parentDivClass {
display: flex;
flex-direction: column;
justify-content: center;
}

diplay: flex; for it's container and margin:auto; for it's item works perfect.
NOTE: You have to setup the width and height to see the effect.
#container{
width: 100%; /*width needs to be setup*/
height: 150px; /*height needs to be setup*/
display: flex;
}
.item{
margin: auto; /*These will make the item in center*/
background-color: #CCC;
}
<div id="container">
<div class="item">CENTER</div>
</div>

margin: auto works "perfectly" with flexbox i.e. it allows to center item vertically and horizontally.
html, body {
height: 100%;
max-height: 100%;
}
.flex-container {
display: flex;
height: 100%;
background-color: green;
}
.container {
display: flex;
margin: auto;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS</title>
</head>
<body>
<div class="flex-container">
<div class="container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
</div>
</body>
</html>

If you need to center a text in a link this will do the trick:
div {
display: flex;
width: 200px;
height: 80px;
background-color: yellow;
}
a {
display: flex;
align-items: center;
justify-content: center;
text-align: center; /* only important for multiple lines */
padding: 0 20px;
background-color: silver;
border: 2px solid blue;
}
<div>
text
text with two lines
</div>

RESULT:
CODE
HTML:
<div class="flex-container">
<div class="rows">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
</div>
CSS:
html, body {
height: 100%;
}
.flex-container {
display: flex;
justify-content: center;
align-items: center;
height: 100%;
}
.rows {
display: flex;
flex-direction: column;
}
where flex-container div is used to center vertically and horizontally your rows div, and rows div is used to group your "items" and ordering them in a column based one.

You can add flex-direction:column to flex-container
.flex-container {
flex-direction: column;
}
Add display:inline-block to flex-item
.flex-item {
display: inline-block;
}
because you added width and height has no effect on this element since it has a display of inline. Try adding display:inline-block or display:block. Learn more about width and height.
Also add to row class( you are given row{} not taken as style)
.row{
width:100%;
margin:0 auto;
text-align:center;
}
Working Demo in Row :
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: flex;
align-items: center;
justify-content:center;
flex-direction:column;
}
.row{
width:100%;
margin:0 auto;
text-align:center;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
display: inline-block;
}
<div class="flex-container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>
Working Demo in Column :
.flex-container {
padding: 0;
margin: 0;
width: 100%;
list-style: none;
display: flex;
align-items: center;
}
.row {
width: 100%;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
display: inline-block;
}
<div class="flex-container">
<div class="row">
<span class="flex-item">1</span>
</div>
<div class="row">
<span class="flex-item">2</span>
</div>
<div class="row">
<span class="flex-item">3</span>
</div>
<div class="row">
<span class="flex-item">4</span>
</div>
</div>

Hope this will help.
.flex-container {
padding: 0;
margin: 0;
list-style: none;
display: flex;
align-items: center;
justify-content: center;
}
row {
width: 100%;
}
.flex-item {
background: tomato;
padding: 5px;
width: 200px;
height: 150px;
margin: 10px;
line-height: 150px;
color: white;
font-weight: bold;
font-size: 3em;
text-align: center;
}

Using CSS+
<div class="EXTENDER">
<div class="PADDER-CENTER">
<div contentEditable="true">Edit this text...</div>
</div>
</div>
take a look HERE

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