Flexible 100% layout

by secretgspot

HTML

<div class="banner"></div>
<div class="content">
    <div class="largeLink"></div>
    <div class="groupOfLinks">
        <div class="smallLink"></div>
        <div class="smallLink"></div>
        <div class="smallLink"></div>
        <div class="smallLink"></div>
    </div>
</div>

CSS

html,
body {
    height: 100%;
}
div {
    box-shadow: inset 0 0 0 1px red;
}
div.banner {
    background: hsla(0,50%,50%,.25);
    height: 66%;
}
div.content {
    background: hsla(0,50%,50%,.25);
    font-size: 0;
    height: 34%;
}
div.largeLink {
    background: hsla(0,50%,50%,.25);
    display: inline-block;
    font-size: 100%;
    height: 100%;
    width: 50%;
}
div.groupOfLinks {
    background: hsla(0,50%,50%,.25);
    display: inline-block;
    height: 100%;
    width: 50%;
}
div.smallLink {
    background: hsla(0,50%,50%,.25);
    display: inline-block;
    font-size: 100%;
    height: 50%;
    width: 50%;
}
div.smallLink:nth-child(3n-2) {
    background: hsla(0,50%,50%,.5);
}