.preloader{ 
    position:fixed; 
    left:0px; 
    top:0px; 
    width:100%; 
    height:100%; 
    z-index:999999999999999999; 
    background-color:#ffffff; 
    background-position:center center; 
    background-repeat:no-repeat; 
    background-image:url(../images/preloader.gif);
}
.preloader.style-two {
    background-image: url(../images/preloader-1.html);
}