body { padding-top: 20px; }
span.group { display: inline-block; }

footer.footer {
    clear: both;
    padding-top: 10px;
}

div#image-container {
    text-align: center;
}

div#image-container canvas#image {
    margin: 0px auto;
}

div#colorbar-container {
    display: inline-block;
    width: 70%;
}

div#colorbar-container canvas#colorbar {
    width: 80%;
    height: 2em;
    vertical-align: middle;
}