Fluid / Fluid / Fixed

by helpinspireme

HTML

<div id="contentWrapper">
<div id="contentColumn">Content Column:</div>
</div>

<div id="leftColumn">Left</div>

<div id="rightColumn">Right Column:</div>

CSS

#contentWrapper{
    float: left;
    width: 100%;}

#contentColumn{
    margin: 0 200px 0 25%;}

#leftColumn{
    float: left;
    width: 25%;
    margin-left: -100%;
    background: #C8FC98;}

#rightColumn{
    float: left;
    width: 200px;
    margin-left: -200px;
    background: #FDE95E;}