Fixed with right column with fluid left column

by soulwire

HTML

<div class="right">
    Right
</div>
<div class="left">
    Left
</div>

CSS

html, body {
    padding: 20px;
    color: #fff;
}

.left, .right {
    padding: 20px;
}

.left {
    background:#63CFA5;
    overflow: hidden;
}

.right {
    background: #75CDD8;
    width: 120px;
    float: right;
}