jquery - Adjusting image description bar of resizable image with CSS -

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i need responsive image resizes maximum of given area. works fine code below. need show description of image @ bottom of image. want description bar fill bottom of image , animated bottom when hover on image.

i'm adding picture of want achieve better understanding. think placing , sizing of description bar should possible using html , css don't know how. goal description

i suppose animation of description bar need use javascript animation great if knew solution css animation transform trick.

html,  body {    width: 100%;    height: 100%;  }  img {    max-width: 100%;    max-height: 100%;  }  .description {    border: #093 medium solid;    width: 100%;    height: 40px;    overflow: hidden;    position: absolute;    bottom: 0px;  }  .imagecontainer {    height: 100%;    width: 100%;    position: relative;  }
<div class="imagecontainer">      <img src="..">      <div class="description">      inserted description    </div>  </div>

try update code way.

html,  body {  	width: 100%;  	height: 100%;  	font-size: 0;  }    img {  	max-width: 100%;  	max-height: 100%;  }    .imagecontainer {  	width: 100%;  	height: 100%;  	position: relative;   	overflow: hidden;  	display: inline;  }    .description {  	width: 100%;  	height: 0px;  	overflow: hidden;  	position: absolute;  	bottom: 0px;  	background-color: rgba(0, 0, 0, 0.7);  	font-size: 16px;    	-ms-filter: "progid: dximagetransform.microsoft.alpha(opacity=0)";  	filter: alpha(opacity=0);  	opacity: 0;  	-webkit-transition: 1s ease-in-out 0.5s;  	-moz-transition: 1s ease-in-out 0.5s;  	-o-transition: 1s ease-in-out 0.5s;  	-ms-transition: 1s ease-in-out 0.5s;  	transition: 1s ease-in-out 0.5s;  }    img:hover~.description {  	height: 40px;  	-ms-filter: "progid: dximagetransform.microsoft.alpha(opacity=100)";  	filter: alpha(opacity=100);  	opacity: 1;  	-webkit-transition-delay: 0s;  	-moz-transition-delay: 0s;  	-o-transition-delay: 0s;  	-ms-transition-delay: 0s;  	transition-delay: 0s;  }
<div class="imagecontainer">  	<img src="http://p1.pichost.me/i/9/1321574.jpg">  	<div class="description" style="color: gray">  		inserted description  	</div>  </div>

.imagecontainer has display set inline, because want .description flow on image only. that's why have set html, body's font-size zero, otherwise .description overflow image bit.


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