body {margin:0px;}
#bg_image {
width: 100%;
height: 80%;
left: 0px;
top: 20%;
position: absolute;
z-index: 0;
}
#pic {
width: 100%;
height: 20%;
left: 0px;
top: 0px;
position: absolute;
z-index: 0;
}
#contents {
z-index: 1;
position: absolute;
}
#mozsong {
position: relative; 
left: 200%;
}