div.testdiv { background-color: yellow; }
#mw-page-base
{
background-image: url("/images/0/00/Skin_header.png");
height: 228px;
background-position: top left;
background-repeat: no-repeat;
background-color:transparent;
position: absolute;
top: 0;
left: 0;
z-index: 0;
width: 100%;
}
#mw-head-base
{
margin: 0 0 -1px 12em;
height: 5.3em;
padding: 2px 0 0 0;
background-color:transparent;
background-image: none;
border-radius: 0.5em 0 0 0;
background-image: none;
position: relative;
z-index:2;
}