html, body {
    height:100%;
}

#map-container {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
}

#map
{
    width: 100%;
    height: 100%;
}
#content
{
    width: 200px;
    position: absolute;
    z-index: 1;
    top:0;
    left:0;
    border: 4px solid black;
    background:#fff;
    padding:20px;
}