jquery preloader

jquery preloader

HTML
<div class="loader">
  <div class="loader-inner">
  </div>
</div>

CSS
.loader {
  background: none repeat scroll 0 0 #ffffff;
  bottom: 0;
  height: 100%;
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  width: 100%;
  z-index: 199;
}

.loader {
  .loader-inner {
    background-image: url("../img/preloader.gif");
    background-size: cover;
    background-repeat: no-repeat;
    background-posirion: center center;
    background-color: #fff;
    height: 60px;
    width: 60px;
    margin-top: -30px;
    margin-left: -30px;
    left: 50%;
    top: 50%;
    position: absolute;
  }
}

JS
$(window).on('load', function () {
  $(".loader-inner").fadeOut();
  $('.loader').delay(400).fadeOut("slow");
});