/**before loading page completely 
 *This only works with JavaScript, 
 *if it's not present, don't show loader */

.no-js #loader {
    display: none;
}

.js #loader {
    display: block;
    position: absolute;
    left: 100px;
    top: 0;
}

.se-pre-con {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: url(gif/Preloader_7.gif) center no-repeat #fff;
}