css - Resize image keeping both sizes on ratio -


i have photo blog on final stages , last problem i'm struggling with. layout has fixed menu bar on right , content flows on right. when photo opened gallery page it's own, supposed resized either side not on (for example) 70% of free space. not that. should stay in horizontal , vertical center of right content div. @ point works except when image portrait goes on screen.

is possible achieve css please few percent has js not activated? if not, thats not deal breaker.

the html:

<div id="wrapper">   <div id="left_column">   </div>   <div id="right_column_post">        <div id="post_container">          <img src="img.jpg" width="1000" height="750"/>        </div>    </div>  </div>

the css:

#left_column {     position: fixed;     top: 0;     bottom: 0;      left: 0;     z-index:100;     width: 240px;     height: 100%;     overflow: hidden;  }  #right_column_post{     height: 100%;     width:auto;     margin-left:240px;     position: relative; }   #post_container {     width:100%;     height:100%;     display: block;      vertical-align: middle;     text-align:center; }  #post_container:before {   content: '';   display: inline-block;   height: 100%;   vertical-align: middle;   margin-right: -0.25em; /* adjusts spacing */ }   #post_container img{     max-width:70%;     height:auto;     display: inline-block;     vertical-align: middle;     margin:auto;     position:relative; }

this close: http://jsfiddle.net/jcagj/ it'll break layout if implemented is.

i not sure looking for, if want resize image in aspect ratio not give max-width , max-height both, if u @ point loose aspect ratio.

u can give width:100%;

here giving width in percentage

    #left_column {     position: fixed;     top: 0;     bottom: 0;      left: 0;     z-index:100;     width: 40%;     height: 100%;     overflow: hidden;     background:red;  }  #right_column_post{     height: 100%;     width:50%;     margin-left:45%;     position: relative; }   #post_container {     width:90%;     height:100%;     display: block;      vertical-align: middle;     text-align:center; }    #post_container:before {   content: '';   display: inline-block;   height: 100%;   vertical-align: middle;   margin-right: -0.25em; /* adjusts spacing */ }  #post_container img{     width:100%;     max-width:100%;     display: block;     vertical-align: middle;     margin:0 auto;     position:relative; }

check link: /new link/

http://jsfiddle.net/madhuri2987/jcagj/2/

hope u looking for.


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