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How to hide input file and style the input="file" to icon/image

I want the input="file" to be hidden and style the input="file" with icon and clicking upon the icon to select image.
.cover_photo {width:100%; height:250px; overflow:hidden; position:relative;}
.cover_photo img {width:100%;}
.upload_btn { position:absolute; top:0; left:0;}
.upload_btn input[type="file"] {display:none;}
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet"/>
<section>
<div class="container-fluid">
<div class="row">
<div class="col-md-12">
<div class="cover_photo">
<img class="img-responsive" src="http://underafricanskiessafaris.co.za/wp-content/uploads/2015/02/BG-1.jpg" />
<div class="upload_btn">
<form>
<i id="icon_upload" class="fa fa-camera"></i>
<input type="file" name="cover-photo" id="icon_upload" />
</form>
</div>
</div>
</div>
</div>
</div>
</section>

With label
#fileInput{
display: none;
}
#icon{
width: 100px;
cursor: pointer;
}
<label for="fileInput">
<img id="icon" src="https://image.freepik.com/free-icon/upload-arrow_318-26670.jpg">
</label>
<input id="fileInput" type="file">

I think you want something like this.Place an icon and clicking on the icon, programmatically click the input type file.
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<input type="file" id="file_upload_id" style="display:none">
<label>Upload:</label> <i id="icon_upload" class="fa fa-upload" onclick="_upload()"></i>
<script>
function _upload(){
document.getElementById('file_upload_id').click();
}
</script>

You can use for label and put the image inside instead of text, then design it what ever you want.
<div>
<label for="browse"><img src="img/0.jpg" /></label>
<input type="file" id="browse" name="browse" style="display: none">
</div>

Used opacity: 0 to hide the file input and make it position: absolute
.cover_photo {
width:100%;
height:250px;
overflow:hidden;
position:relative;
}
.cover_photo img {
width:100%;
}
.upload_btn {
position:absolute;
top:0;
left:0;
}
.upload_btn input[type="file"] {
height: 28px;
left: 0;
position: absolute;
top: 0;
opacity: 0;
width: 32px;
z-index: 1;
}
#icon_upload {
font-size:30px;
cursor: pointer;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet"/>
<section>
<div class="container-fluid">
<div class="row">
<div class="col-md-12">
<div class="cover_photo">
<img class="img-responsive" src="http://underafricanskiessafaris.co.za/wp-content/uploads/2015/02/BG-1.jpg" />
<div class="upload_btn">
<form>
<i id="icon_upload" class="fa fa-camera"></i>
<input type="file" name="cover-photo" id="icon_upload" />
</form>
</div>
</div>
</div>
</div>
</div>
</section>

how to make 4 divs take 25/50/100% dynamically when downsized less than their min-width?

lets say you want to display 4 images, of same square dimensions, taking 25% of width. when making the window smaller, make them smaller up to lets say min-width:200px;
BUT, if made any smaller, have the third and fourth image go down below theese first two images and have them take 50% of the space each. theese can be downsized again to min-width:200px;
and if downsized more than 200px again, make it so it displays 1 image taking 100% width each below the last one?
for now i saw and played with something that is almost what i want, but cant quite get it there. any help?
theese are the styles
html, body {
margin:0;
padding:0;
width:100%;
height:100%;
}
.container {
width:100%;
}
.column {
width:25%;
float:left;
min-width:200px;
}
.column img {
width:100%;
height:auto;
}
and this is the html
<div class="container">
<div class="column">
<img src="http://nssdc.gsfc.nasa.gov/planetary/image/neptune_voy2.jpg" />
</div>
<div class="column">
<img src="http://nssdc.gsfc.nasa.gov/planetary/image/neptune_voy2.jpg" />
</div>
<div class="column">
<img src="http://nssdc.gsfc.nasa.gov/planetary/image/neptune_voy2.jpg" />
</div>
<div class="column">
<img src="http://nssdc.gsfc.nasa.gov/planetary/image/neptune_voy2.jpg" />
</div>
</div>
https://jsfiddle.net/au53h9jg/

Use media query to achieve this, here is updated fiddle.
html, body {
margin:0;
padding:0;
width:100%;
height:100%;
}
.container {
width:100%;
}
.column {
width:33.33333333%;
float:left;
min-width:200px;
}
.column img {
width:100%;
height:auto;
}
#media only screen and (max-width: 600px) {
.column {
width:50%;
float:left;
min-width:200px;
}
}
#media only screen and (max-width:400px) {
.column {
width:100%;
float:left;
min-width:200px;
}
}
<div class="container">
<div class="column">
<img src="http://nssdc.gsfc.nasa.gov/planetary/image/neptune_voy2.jpg" />
</div>
<div class="column">
<img src="http://nssdc.gsfc.nasa.gov/planetary/image/neptune_voy2.jpg" />
</div>
<div class="column">
<img src="http://nssdc.gsfc.nasa.gov/planetary/image/neptune_voy2.jpg" />
</div>
</div>

Shift menu vertically and display sub menu

I am trying to write one vertical menu like in this website . On hover the vertical menu should shift marginally to the right side and should display the sub menu.
I have been failed to accomplish this.
Please help me :(
<html>
<head>
<title></title>
<style>
.apear
{
width:200px;
height:300px;
background-color:pink;
float:right;
display:none;
}
.one
{
background-color:yellow;
height:100px;
width:100px
}
.two
{
background-color:blue;
height:100px;
width:100px
}
.three
{
background-color:green;
height:100px;
width:100px
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
</head>
<body>
<div>
<div class="apear">
</div>
<div style="float:right">
<div class="one"></div>
<div class="two"></div>
<div class="three"></div>
</div>
</div>
</body>
</html>

Here's the solution, I used JQuery:
HTML:
<div>
<div class="apear">
</div>
<div style="float:right">
<div class="one"></div>
<div class="two"></div>
<div class="three"></div>
</div>
CSS:
.apear
{
width:200px;
height:300px;
background-color:pink;
float:right;
display:none;
}
.one
{
background-color:yellow;
height:100px;
width:100px
}
.two
{
background-color:blue;
height:100px;
width:100px
}
.three
{
background-color:green;
height:100px;
width:100px
}
JQuery:
$(document).ready(function(){
$(".one").mouseenter(function(){
$(".apear").show(500);
});
$(".apear").mouseleave(function(){
$(".apear").hide(500);
});
});
Here is a fiddle

javascript image pan 'blocking' nav links and making div elements opaque

I have an image, bg, embedded in a div using CSS just above the footer. The idea is when the mouse moves left or right, the image moves along with it. The Javascript above /body is what causes this to work. It works well, but the nav links are now unclickable and the content divs are opaque where you can see the bg image through them. When I remove the #bg div, everything works fine. Any ideas how to fix it? HTML and CSS are below. I got this from tutorial here: panning.
<!DOCTYPE HTML>
<html>
<head>
<title>portfolio</title>
<meta http-equiv="content-type" content="text/html;charset=utf-8"/>
<link rel="shortcut icon" href="img/favicon.ico">
<link rel="stylesheet" type="text/css" href="css/reset.css">
<link rel="stylesheet" type="text/css" href="css/web.css">
<script src="js/modernizr.custom.js"></script>
<script src="js/modernizr-2.6.2.min.js"></script>
</head>
<body>
<div id="site">
<header>
<nav>
<ul>
<li>HOME</li>
<li><img src="img/lightning.png" alt="lightning" width="10" height="16"></li>
<li>PORTFOLIO</li>
<li><img src="img/lightning.png" alt="lightning" width="10" height="16"></li>
<li>CODE</li>
<li><img src="img/lightning.png" alt="lightning" width="10" height="16"></li>
<li>CONTACT</li>
</ul>
</nav>
</header>
<div id="left_col1">
<a href="../photo_collection_blom/index.html" target="blank"><img src="img/10.png" alt="image" width="280"
height="170" class="fade"></a>
<p>lorem ipsum</p>
</div>
<div id="mid_col1">
<a href="../non_profit/index.html" target="blank"><img src="img/vpf.png" alt="image" width="280" height="170"
class="fade"></a>
<p>lorem ipsum</p>
</div>
<div id="right_col1">
<a href="../cd/index.html" target="blank"><img src="img/cd.png" alt="image" width="280" height="170"
class="fade"></a>
<p>lorem ipsum</p>
</div>
<div class="clearfix"></div>
<div id="left_col2">
<img src="img/zen.png" alt="image" width="280" height="170">
<p>lorem ipsum</p>
</div>
<div id="mid_col2">
<a href="../practicum/index.html" target="blank"><img src="img/practicum.png" alt="image" width="280"
height="170"></a>
<p>lorem ipsum</p>
</div>
<div id="right_col2">
<a href="../dropdown_nav/index.html" target="blank"><img src="img/navs.png" alt="image" width="280"
height="170"></a>
<p>lorem ipsum</p>
</div>
<div class="clearfix"></div>
<div id="left_col3">
<a href="http://centralpaintstore.com" target="blank"><img src="img/cps.png" alt="image" width="280"
height="170"></a>
<p>lorem ipsum</p>
</div>
<div id="mid_col3">
<img src="img/88.png" alt="image" width="280" height="170">
<p>lorem ipsum</p>
</div>
<div id="right_col3">
<img src="img/99.png" alt="image" width="280" height="170">
<p>lorem ipsum</p>
</div>
<div class="clearfix"></div>
<div id="bg"></div>
<footer>
<p>lorem ipsum</p>
</footer>
</div>
<!-- close site -->
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script>window.jQuery || document.write('<script src="js/jquery-1.9.1.min.js"><\/script>')</script>
<script>
$(document).ready(function () {
$('#bg').mousemove(function (e) {
var mousePos = (e.pageX / $(window).width()) * 100;
$('#bg').css('backgroundPosition', mousePos + '% 0');
});
});
</script>
</body>
</html>
CSS:
* {
text-decoration:none;
font-family:Helvetica, sans-serif;
z-index:100;
}
html {
background:url(../img/background.gif);
height:100%;
}
body {
height:100%;
z-index:100;
}
#site {
width:1200px;
min-height:100%;
margin:auto;
position:relative;
z-index:100;
}
header {
background:url(../img/background_design.jpg);
height:63px;
padding-top:25px;
z-index:100;
}
nav {
width:500px;
padding:10px;
margin:auto;
font-family:helvetica, arial, sans-serif;
font-size:1.2em;
color:#dcd8cf;
z-index:100;
}
nav ul {
word-spacing:20px;
}
li {
display:inline;
margin:auto;
}
a:link {
color:#dcd8cf;
}
/* unvisited link */
a:visited {
color:#e25d33;
}
/* visited link */
a:hover {
color:#e25d33;
}
/* mouse over link */
a:active {
color:#e25d33;
}
/* selected link */
p {
font-family:Arial, Helvetica, sans-serif;
color:#000;
line-height:1.2em;
margin:10px 5px 20px 5px;
}
#site p a:link {
color:#ed1b24;
}
#site p a:visited {
color:#ed1b24;
}
#site p a:hover {
text-decoration:underline;
}
#site p a:active {
color:#ed1b24;
}
h3 {
font-family:helvetica, arial, sans-serif;
font-size:1.5em;
color:#000;
margin:20px;
}
#bg {
background:url(../img/boston_skyline4.png) no-repeat 0 0 scroll;
height:auto;
left:0;
min-height:100%;
min-width:1024px;
overflow:hidden;
position:fixed;
top:0;
width:100%;
z-index:1;
}
#left_col1, #left_col2, #left_col3 {
border:1px solid #e0dfdf;
width:280px;
height:384px;
margin-left:120px;
margin-right:20px;
background:white;
padding:10px;
overflow-x:scroll;
float:left;
z-index:100;
}
.clearfix {
height:20px;
clear:both;
}
#mid_col1, #mid_col2, #mid_col3 {
border:1px solid #e0dfdf;
width:280px;
height:384px;
margin-right:20px;
background:white;
padding:10px;
overflow-x:scroll;
float:left;
z-index:100;
}
#right_col1, #right_col2, #right_col3 {
border:1px solid #e0dfdf;
width:280px;
height:384px;
background:white;
padding:10px;
overflow-x:scroll;
float:left;
z-index:100;
}
#left_col1, #mid_col1, #right_col1 {
margin-top:20px;
}
#left_col3, #mid_col3, #right_col3 {
margin-bottom:20px;
}
footer {
background:url(../img/footer.gif);
margin:auto;
position:absolute;
bottom:0;
width:1200px;
height:55px;
}
footer p {
font-family:helvetica, arial, sans-serif;
color:#e0dfdf;
font-size:.9em;
margin:auto;
padding-top:1.5em;
padding-left:1.5em;
}

The <div id="bg"> tag is sitting on top of everything else in the <div id="body" wrapper. Z-index won't work on your floated columns, so you'll have to wrap your columns in another div or move the <div id="bg"> tag outside of the <div id="body" tag.
Here's a fiddle of the first solution: http://jsfiddle.net/hjeAT/3/
And the second: http://jsfiddle.net/hjeAT/4/

i think the z-index of <div id="bg"> changed when run. you should check the z-index when the nav links are unclickable. may be you can change the z-index in your javascript. i have another advise that you'd better remove the z-index in the css of the * selector as follows
* {
text-decoration:none;
font-family:Helvetica, sans-serif;
z-index:100;
}

Here is one solution:
Just delete <div id="bg"></div> and
CSS:
body {
height:100%;
background:url(../img/boston_skyline4.jpg) no-repeat 0 0 scroll;
}
script:
You can change the mousemove event target.
<script>
$(document).ready(function () {
$('body').mousemove(function (e) {
var mousePos = (e.pageX / $(window).width()) * 100;
$('body').css('backgroundPosition', mousePos + '% 0');
});
});
</script>

Removeclass doesn't work for image

I'd like your help please on this please.
I am not able to remove the active link from unselected image.
Here is the code:
$(function(){
$(document).ready(function() {
$(".Nav_thumb a").click(function() {
$(this).removeClass("active");
$(this).addClass('active');
});
});
});
Html
<div id="pageNav_thumb">
<div class="Nav_thumb">
<a id="img1" href="javascript:();" onClick="ShowVideo(1); return false;">
<img src="img/Press2.jpg" height="79" width="140" />
</a>
</div>
<div class="Nav_thumb">
<a id="img2" href="javascript:();" onClick="ShowVideo(2); return false;">
<img src="img/Working2g.jpg" height="79" width="140" />
</a>
</div>
<div class="Nav_thumb">
<a id="img3" href="javascript:();" onClick="ShowVideo(3); return false;">
<img src="img/Press2.jpg" height="79" width="140" />
</a>
</div>
</div>
CSS
#pageNav_thumb {
width: 850px;
max-width: 100%;
background:url(../img/foot_04.jpg) no-repeat;
min-width:850px;
height:210px;
}
.Nav_thumb {margin:30px 0 0 10px; float:left;}
.Nav_thumb A { display:inline-block; border: 2px solid rgb(51,51,51);}
.Nav_thumb A:hover { border: 2px solid red; }
.Nav_thumb A:active { border: 2px solid red;}
.Nav_thumb A:focus {outline:0;}

maybe like somethig like this demo
$(document).ready(function() {
$(".Nav_thumb a").click(function() {
$('.Nav_thumb a').removeClass("active");
$(this).addClass('active');
});
});