.box {margin:0px auto;width:100%;height:100%;position:relative;}
.box1 {
background:#000000;
text-decoration: none; color:white;
border:#a00 0px solid;
position:absolute;
top:0px;
left:0px;
width:100%;
height:100%;
z-index:1;
}
.box2 {
background:#000000;
text-decoration: none; color:white;
border:#a00 0px solid;
position:absolute;
top:0px;
left:0px;
width:100%;
height:100%;
z-index:10;
}

.box3 {
position:absolute;
top:0px;
left:0px;
width:180px;
height:60px;
z-index:20;
}

body {BORDER-RIGHT: 0px; PADDING-RIGHT: 0px; BORDER-TOP: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; OVERFLOW: hidden; BORDER-LEFT: 0px; PADDING-TOP: 0px; BORDER-BOTTOM: 0px}