html, body { height:100%; margin:0px; padding:0px;}

#preloader {
position:absolute; 
background-color:white; 
height:100%; 
width:100%;
left:0px;
display:none;
z-index:200;
}

#preloadIMG {
position:absolute;
left:50%;
width:20px;
margin-left:-10px;
height:20px;
top:150px;
z-index:201;
}