html, body {
    height: 100%;
	margin: 0px;
}

#header {
    height: 100px;
	background-color: darkblue;
    color: ghostwhite;
    line-height: 100px;
    text-align: center;
}

#nav {
    line-height: 200px;
    background-color: powderblue;
    height: calc(100% - 100px);
    width: 100px;
    padding-left: 10px;
    float: left;
}

#main {
    width: 800px;
    padding: 20px;
    float: left;
}

#footer {
    height: 20px;
	background-color: royalblue;
    color: white;
    text-align: center;
    clear: both;
}

.caption {
	background-color: dodgerblue;
    color: white;
    text-align: right;
    font-family: arial, sans-serif;
    font-size: 9px;
    padding: 5px;
}

.caption a {
    color: white;
}