@-moz-keyframes animain {
    from { height: 100%; width: 100%; opacity: 1; }
    to { height: 100%; width: 100%; opacity: 0; }
}

@-webkit-keyframes animain {
    from { height: 100%; width: 100%; opacity: 1; }
    to { height: 100%; width: 100%; opacity: 0; }
}

@-ms-keyframes animain {
    from { height: 100%; width: 100%; opacity: 1; }
    to { height: 100%; width: 100%; opacity: 0; }
}

@-o-keyframes animain {
    from { height: 100%; width: 100%; opacity: 1; }
    to { height: 100%; width: 100%; opacity: 0; }
}

@keyframes animain {
    from { height: 100%; width: 100%; opacity: 1; }
    to { height: 100%; width: 100%; opacity: 0; }
}


#fullfade {
    position: absolute;
    top: 0px;
    width: 0px;
    left:0px;
    height:0px;
    background-color: white;
    z-index: 10000;
    
    -moz-animation: animain .5s linear;
    -webkit-animation: animain .5s linear;
    -ms-animation: animain .5s linear; 
    -o-animation: animain .5s linear;
}