vertical centering

by LimitedWard

HTML

<div class="vcenterContainer">
    <div class="vcenter"></div>
</div>

CSS

.vcenterContainer {
    position:absolute;
    height:100%;
    width:100%;
    background:green;
}

.vcenterContainer .vcenter {
    height:100px;
    width:100%;
    position:absolute;
    top:50%;
    margin-top:-50px;
    background:yellow;
}