#top_btns{
height: 796px;
width:575px;
position:relative;
}
#top_btns img{
position:absolute;
}
#top_btns img#bt1{
left:14px;
bottom:24px;
}
#top_btns img#bt2{
right:-2px;
bottom:50px;
}
#top_btns img#bt3{
left:10px;
bottom:3px;
}