html {
    background-image: url('grey.png');
    height: 100%;
}

body {
    height: 100%;
    font-family: Verdana, Arial;
    font-size: 14px;
}

body > #container {
    height: auto;
}

#container {
    min-height: 100%;
    height: 100%;
    width: 600px;
    margin: 0 auto;
    padding: 0 10px;
    background-color: #fff;
    box-shadow: 0 0 3px rgba(0,0,0,0.5);
}

#header {
    margin-bottom: 15px;
}

#menu {
    margin-bottom: 15px;
}

#main {
    overflow: hidden;
    margin-bottom: 15px;
}

#contents {
    float: left;
    width: 400px;
}
#sidebar {
    float: right;
    width: 180px;
}

#footer {
    font-size: 12px;
    color: #ccc;
    text-align: center;
    border-top: 1px solid #ccc;
    padding: 10px 0 20px;
}