html, body, #takeover, form
{
    height: 100%;
}
body
{
    margin: 0;
    padding: 0;
    overflow: hidden;
}

img
{
    border:0;
}

div#imgalt
{
    width: 800px;
    height: 600px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -400px;
    margin-top: -300px;
    z-index:1;
} 

div#skipper
{
    position: absolute;
    right: 10px;
    top: 10px;
    z-index:2;
}