#page-preloader {
position: fixed;
left: 0;
top: 0;
right: 0;
bottom: 0;
background: #000;
z-index: 100500;
}
#page-preloader .spinner {
width: 32px;
height: 32px;
position: absolute;
left: 50%;
top: 50%;
background: url('/images/spinner.gif') no-repeat 50% 50%;
margin: -16px 0 0 -16px;
}