body {
    background: #eee;
    text-align: justify;
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    color: #4B0082;
}
#wrapper {
    width: 700px;
    background: #ddd;
    margin: 20px auto;
    border: 1px solid #999;
    border-radius: 5px;
    padding: 10px;
}
#header {
    height: 160px;
    background: #ccc;
    border: 1px solid #999;
    padding: 10px;
}
#navigation {
    background: #ccc;
    margin: 10px 0;
    border: 1px solid #999;
    padding: 10px;
}
#content {
    width: 500px;
    float: left;
    background: #ccc;
    border: 1px solid #999;
    padding: 10px;
}
#sidebar {
    width: 146px;
    float: right;
    background: #ccc;
    border: 1px solid #999;
    padding: 10px;
}

#footer {
    background: #ccc;
    margin: 10px 0 0 0;
    border: 1px solid #999;
    padding: 10px;
}
.clear {
    clear: both;
}