#bg:after {
    -moz-transition: -moz-transform 0.325s ease-in-out, -moz-filter 0.325s ease-in-out;
    -webkit-transition: -webkit-transform 0.325s ease-in-out, -webkit-filter 0.325s ease-in-out;
    -ms-transition: -ms-transform 0.325s ease-in-out, -ms-filter 0.325s ease-in-out;
    transition: transform 0.325s ease-in-out, filter 0.325s ease-in-out;
}

#wrapper {
    opacity: 0;
}