footer {
    margin-top: 50px;
}


#loader {
    width: 100%;
    height: 100%;
    background: rgba(255,255,255, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    background-image: url(/img/loader.gif);
    background-repeat: no-repeat;
    background-position: center center;
    opacity: 0;
    display: none;
    
}

#loader.open {
    opacity: 1;
    display: block;
}