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Print modal content as full A4 page

I am trying two things :
Show content on a modal as how it would appear on an A4 page
windows.print() the modal on an A4 page through major browsers
Following is my CSS:
.page {
width: 210mm;
min-height: 297mm;
padding: 20mm;
margin: 10mm auto;
border: 1px #D3D3D3 solid;
border-radius: 5px;
background: white;
box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}
.subpage {
padding: 1cm;
border: 5px black solid;
height: 257mm;
outline: 2cm #FFEAEA solid;
}
#page {
size: A4;
margin: 0;
}
#media print {
html, body {
margin:0 !important;
padding:0 !important;
height:100% !important;
visibility: hidden;
}
.page .subpage .col-md-12,.col-lg-12{
float:left;
width:100%;
}
.page .subpage {
padding: 1cm;
border: 5px black solid;
height: 257mm;
outline: 2cm #FFEAEA solid;
position:absolute;
}
.page {
visibility: visible;
}
}
Here's how the modal looks:
But this is how it looks on calling window.print() on button click:
What am I doing wrong here? Relative CSS newbie, have looked at a bunch of SO questions and other resources, but can't seem to figure this out.
UPDATE: I used z-index:9999 and width:140% to get the modal content(i.e. class="page") to cover the A4 page width. Don't think its the best solution, also can't get height to stretch the entire 297mm; height still as much as shown in second image. The 140% looks fine on a pdf saved through Chrome, is cutoff (understandably) in firefox and shows up as blank pdf in IE. Updated CSS:
#media print .page {z-index: 9999;padding: 20mm;margin: 10mm auto;width: 140%;height:100%;position: fixed;top: 15mm;bottom:0;left: 20mm;visibility:visible;}

Please try this
#media print{
body * {
visibility: hidden;
}
#page, #page * {
visibility: visible;
}
#page {
position: absolute;
top: 0;
left: 0;
}
}

I'd write a comment but I can't, so answer box it is. tl;dr, you need to provide more code or reproduce this issue in a place where we can see it.
I put your code into plain page with just a div with class page and nested a div with class subpage and there are some padding issues and the print view looks nothing like the web view.
Your min-height: 297mm; wasn't necessary and was adding extra space as it doesn't align with your height setting for .subpage.
Your position:absolute; squished your .subpage in print view.
But with those two tweaks, your css, with just simple divs in html, works about fine. I suspect something else on your page has conflicting dimensions, but again, without a reproduction on fiddle or something, we can't see it.
PS: I saw this other post from some time ago and there's a DEMO in there. It looks promising: CSS to set A4 paper size

I have updated an jsfiddle example to fit your needs
Here is css code
#media screen {
#printSection {
display: none;
}
}
#media print {
body * {
visibility:hidden;
}
#printSection, #printSection * {
visibility:visible;
}
#printSection {
position:absolute;
left:0;
top:0;
width:100%;
height:100%;
background: yellow;
}
}
Here is html:
<div>
<button id="btnPrint">Print (this button should also be NOT be printed)!</button>
</div>
<hr />
<div id="printSection">
<div id="printThis">
This should BE printed!
</div>
<div id="printThisToo">
This should BE printed, too!
</div>
</div>
and a javascript code to call print:
document.getElementById("btnPrint").onclick = function() {
window.print();
}
http://jsfiddle.net/95ezN/1459/

Hover state does not work when applying z-index

The problem is I have 2 divs: one container a link and another a box shaped container. The link has a position:fixed; and it flies over the container div, so I tried to give the link a z-index with a negative value, turns out the
hover state does not work when applying z-index with a negative value for the anchor Unless I scroll the same amount of the height of the container div. So I scroll like 3 times and the hover state works again.
HTML
<div id="div-1">
<div class="container"></div>
</div>
<!-- other divs like 5 or 6 of 'em -->
<div id="div-2">
This is a link
</div>
CSS
#div-2 a{
width:13%;
height:auto;
padding:0.5em 2.3em;
display:block;
position:fixed;
font-weight:500;
font-size:1.09em;
text-align: center;
background-color: none;
text-decoration:none;
outline:none;
z-index:0;
}
#div-1{
width:100%;
height:290px;
overflow-y:auto;
overflow-x: hidden;
box-sizing: border-box;
display: block;
}
an important thing is:
The container is hidden by Jquery, unless I click a certain button.
$(document).ready(function(){
$(".container").hide();
$("#button-f").click(function(e){
$(".container").toggle();
var target = $(e.target);
if (!target.is("##button-f")) {
$(".container").toggle();
}
});
});
I have resorted to every possible (other ideas) I could think of. I tried to do the opposite meaning giving the container a z-index positive vales and leave the anchor, but that leaves the same problem
update
I will try to change the css property "z-index"but only when the the container button is toggled on
so the link will have z-index:-9; but only when the container is toggled to be viewed and when it is toggled back off the z-index will be removed or not applied.
I can't really figure how this will be written with jquery I tried this
$(document).ready(function(){
$(".container").hide();
$("#button-f").click(function(e){
$(".container").toggle();
$("#div-2 a").css("z-index", -9);
var target = $(e.target);
if (!target.is("##button-f")) {
$(".container").toggle();
}
});
});
this only result when I toggled the container on the z-index will be applied, but when i toggle it of it remains, how to remove the z-index or make it equal to z-inedx:99; when the container is toggled off?
Only any other answer for the problem is appreciated.

It's not clear what you want exactly, but the pics helped, although it appears that you want the link above the container, it looks as if you don't?
the whole purpose is to make the anchor in a lower index, so when the container is toggled on/ viewed, the link won't be setting on top of the container.
But you want the link to always react when hovered upon. So I assume that you can't figure out why it's not hovering when the container is open and you can still see the link, so logically you'd expect to at least be able to hover over the visible portion of the link.
It's not jQuery and it's not the .container. It's the .container's container A.K.A. #div-1. #div-1 width is always 100% and even if you didn't have that style, it would be 100% still because that's what blocks have if there isn't an explicit width assigned to it.
Solution: Give #div-1 a smaller width.
You have a fixed link yet no coords. You can't expect a fixed element to stand it's ground and behave like a fixed element if it doesn't know where to stand. Also if you have any positioned elements and you want interaction between other elements, make those elements positioned as well, div-1 is now position:relative and the z-index properties of the link and div-1 function correctly now.
Solution: Give #div-2 a top and left or right and bottom properties. Give #div-1 a position property so that the z-index functions properly.
All details are commented in the source.
PLUNKER
SNIPPET
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
<script src="script.js"></script>
<style>
html,
body {
height: 100%;
width: 100%;
}
#div-1 {
overflow-y: auto;
overflow-x: hidden;
box-sizing: border-box;
position: relative;
z-index: 1;
border: 1px solid red;
width: 200px;
/*Enable this and it will block link*/
/*width:100%;*/
height: 290px;
}
.container {
/* This saves you an unnecessary step in jQuery */
display: none;
width: 200px;
height: 290px;
background: orange;
}
#div-2 a {
width: 13%;
height: auto;
padding: 0.5em 2.3em;
display: block;
position: fixed;
font-weight: 500;
font-size: 1.09em;
text-align: center;
background-color: none;
text-decoration: none;
outline: none;
/* It's not clear whether you want the link above or
| below the container. If above, simply change to
| z-index: 2
*/
z-index: 0;
/* If you have a fixed element give it coords, otherwise
| it doesn't know where it should stand and behavior
| will be unexpected.
*/
top: 10%;
left: 125px;
}
#div-2 a:hover {
background: red;
color: white;
}
/* FLAG is just to test the accessibility of the link */
#FLAG {
display: none;
}
#FLAG:target {
display: block;
font-size: 48px;
color: red;
}
</style>
</head>
<body>
<button id='button-f'>F</button>
<div id="div-1">
<div class="container">Container is open</div>
</div>
<!-- other divs like 5 or 6 of 'em -->
<div id="div-2">
This is a link
<span id='FLAG'>This link is accessible now!</span>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<script>
/* This is the jQuery you need to accomplish what you want.
| The rest was redundant and unnecessary.
*/
$(document).ready(function() {
$("#button-f").click(function(e) {
$(".container").toggle();
});
});
</script>
</body>
</html>

Have you tried assigning a z-index to #div-2?
You'll need to assign it a position to be able to give it a z-index. Try this:
#div-2 a{
width:13%;
height:auto;
padding:0.5em 2.3em;
display:block;
position:fixed;
font-weight:500;
font-size:1.09em;
text-align: center;
background-color: none;
text-decoration:none;
outline:none;
z-index:2;
}
#div-1{
width:100%;
height:290px;
overflow-y:auto;
overflow-x: hidden;
box-sizing: border-box;
display: block;
position: relative;
z-index:1;
}

I don't know what actually in your code but the js you provide look at the if section you have (##button-f) so we find an error here and do we actually need this line ??like we also don't need the line 'container'.hide() in JS. Now you have to scroll for the 'a' certain height because yous set height for #div-1 which is not hidden. So that's amount of height you have to scroll.
So What I change on your code
1. cut the height of div-1 and place it to .container class. you dont provide the a:hover class so I add that to and remove some unnecessary css you have. If you have any other Question ask me in comment LIVE ON FIDDLE
$(document).ready(function() {
$("#button-f").click(function() {
$(".container").toggle();
});
});
button {
width: 13%;
height: auto;
}
#div-1{
width:100%;
overflow-y:auto;
overflow-x: hidden;
box-sizing: border-box;
display: block;
}
.container {
height:290px;
display:none;
border: 1px solid red;
}
#div-2 a {
width: 13%;
height: auto;
padding: 0.5em 2.3em;
display: block;
positon:fixed;
float:right;
font-weight: 500;
font-size: 1.09em;
text-align: center;
text-decoration: none;
border-radius: 10px;
}
#div-2 a:hover {
background: black;
color: white;
}
<script src="https://code.jquery.com/jquery-1.9.1.min.js"></script>
<body>
<button id="button-f">
button
</button>
<div id="div-1">
<div class="container">tagasdgasdgasdgas</div>
</div>
<!-- other divs like 5 or 6 of 'em -->
<div id="div-2">
<a href='#'>This is a link</a>
</div>
</body>

Center an element

How can I center a div that is holding other elements. As default it seems that the div has the width of its parent tag, in this case body. What I want to do is center the div, do I need to set the width of it myself pixel by pixel? or is there an easier way of doing this.
Image of what Im talking about
In the picture you can see Ive set the width of div #container to 250px to center it with margin: 0 auto; but now its bigger than table which means the children of #container isn't in the exact center.

DEMO 1
<div id="container">
</div>
#container{
display:table;
margin:0 auto;
}
DEMO 2
<div id="container">
<span id="form">
</span>
</div>
#container{
text-align:center;
}
#form{
display:inline-block;
text-align:left;
}

How bout setting top and left 50%, fixing the position and margins=size of your div?
div {
position: fixed;
top: 50%;
left: 50%;
margin-top: -your size;
margin-left: -your size;
}

You could try percentages rather than px
<style>
#container{
width:30%;
/* width:250px; will still be ok */
}
#container table{
width:100%;
/* This will make the table stretch or squash to fill the container */
/* You could also try */
margin: 0 auto;
/* This will center the table inside the div*/
}
<style>

Set the parent div to text-align: center; and the div containing the content to display: inline-block;
In your case:
body {
text-align: center;
}
#container {
display: inline-block;
}

Using CSS to allow boxes to stretch horizontally to the space given

I've been pondering how to execute this in CSS. Refer to the 2 images below. Imagine a 2 column layout, where left column may or may not be longer in height than the right column and vice versa. Now in the pictures these are the green and red colours. I have a comment box and a number of boxes (plural) which could be divs that need to stretch horizontally to the space given. So when the right column is longer, the boxes start small under the left. But when the left column is longer, the boxes (still) start on the left, but obviously take up the full size.
I would like to know how to achieve this for the grey boxes in CSS. I know javascript can do it, but a css example would help.
Both FelipeAI and Daneild's code is correct. I chose FelipeAI's because his code has one less rule and yet achieves the same thing.

How about this:
FIDDLE
Markup
<div class="wpr">
<div class="left"></div>
<div class="right high"></div>
<div class="comment"></div>
<div class="comment"></div>
<div class="left high"></div>
<div class="right"></div>
<div class="comment"></div>
<div class="comment"></div>
</div>
CSS
.wpr
{
width: 250px;
}
.left,
.right {
width: 100px;
height: 100px;
margin-bottom: 10px;
display: inline-block;
}
.left {
background: green;
float:left;
}
.right {
float: right;
margin-left: 50px;
background: brown;
}
.high {
height: 150px;
}
.comment {
clear: left;
overflow: hidden;
background: gray;
height: 60px;
margin-bottom: 10px;
}
(css modifications adapted from #FelipAls changes to my original fiddle)

Here's a fiddle : http://jsfiddle.net/dsScA/2/ where
all comments begin on left,
are constrained in width if there's a (long) right box along them
whether left or right can be longer than the other one
I adapted #Danield code but with clear: left on comments and there may be as many short comments alongside the taller right box as needed (last rule removed).

Get the height of both boxes and compare them. For the shorter one, append the additional content as often as desired (can even do some math if you want multiple items (e.g. how many of item x will fit under column a so that it is about the same size as column b). Does that make sense?
This should get you started:
var greenheight = $('#greenone').outerHeight(),
redheight = $('#redone').outerHeight(),
difference = Math.abs(greenheight - redheight),
fillerheight = $('#somehiddenfiller').outerHeight(),
howmanyfillers = Math.floor(difference/fillerheight);
Then iterate and dump into or after the shorter one using .append()

You may try to play with float, padding,margin and overflow to deal with flotting elements.
http://codepen.io/anon/pen/xCvzq
.box {
width:445px;
margin:auto;
padding:15px 0 0;
border:solid;
overflow:hidden;
}
.box > div {
margin:0 15px 15px ;
border:1px solid;
}
.green, .red {width:200px;}
div.green {
height:191px;
background:green;
float:left;
clear:both;
margin-right:0;
}
.box div.first {
height:115px;
}
div.red {
float:right;
height:191px;
background:red;
margin-left:11px;
}
div.comment {
overflow:hidden;
background:gray;
min-width:100px;
clear:left;
}

Create scrollable content for a fixed 100% height div

I would like to create a scrollable div. I know here is lots of example, but neither of them works for me.
I have a .page class, which fills my mobile's screen. Inside of it I have a .content div. This is contain the content of the pages. It is just align the content from the top, and it should have to scroll the content if it is going out of the .content's boundaries.
.page{
margin: 0;
padding: 0;
min-height: 100%;
width: 100%;
display: block;
}
.content{
padding: 4em 0 0 0;
overflow-x: hidden;
overlofw-y: auto;
/*-webkit-overflow-scrolling: touch;*/
}
What should I do to get it working?
Update
I tried it in fiddle, and it is worked. But not on my phone. Because of it I don't know where should be the problem.
Because of it I attached my whole code to the question. This is very important for me to get it working.
Please help me. Thanks for any help. :)

Is this what you need??
html, body{
height:100%;
margin:0;
padding:0;
}
.page{
margin: 0;
padding: 0;
height: 100%;
width: 50%;
display: block; border:solid #000 1px
}
.content{
padding:0;
overflow: scroll; overflow-x:hidden;
height:100%
/*-webkit-overflow-scrolling: touch;*/
}
span{
padding:4em 0 0 0;
display:inline-block
}
DEMO
Use span tag to specify the padding for content div coz if you give padding to the content div it calculates as additional height 100%+4em so..
And make sure that you are specifying html and body height as 100% whenever you want to use height:100% in your page.

You need to get window height for that and need to set it for .page. Anyway, you may need to add some javascript for that. I used jQuery for solution. [you can use other library, its up to you. I am suggesting you this solution]
Here is markup:
<div class="page">
<div class="content">
</div>
</div>
CSS:
* { margin:0; padding:0 } /* using * for demo _ you should use proper reset */
html, body { height:100%; height:100% }
body { height:5000px; background-color:#F7F7F7; font-family:Arial, Helvetica, sans-serif; font-size:12px; line-height:1.6em }
.page { background:#A2A2A2; width:200px; height:600px; overflow-y:scroll; position:fixed }
.content { background-color:#4D4D4D; padding:10px; color:#B7B7B7; }
JS:
$('document').ready(function(){
var wHeight = $(window).height();
$('.page').css({
'height' : wHeight + 'px'
});
});
Just see this fiddle link - (live demo) - http://jsfiddle.net/LZT7B/