.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("/../public/assets/images/loader.gif") center no-repeat #fff;
}