bricks

by stuartsd

HTML

<div id="container">
    <div class="smallsq">Small Square</div>
    <div class="bigsq">Big Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
    <div class="smallsq">Small Square</div>
</div>

CSS

#container {
    width:500px;
    height: 500px;
    background: #ccc;
    display: block;
}

.bigsq {
    width: 20%;
    height: 20%;
    background: red;
    float: left;
    display: block;
    margin-bottom: -20%;
    margin-right: -20%;
    z-index: 1;
    position: relative;
}

.smallsq {
    width: 10%;
    height: 10%;
    background: green;
    float: left;
    display: block;
}