.fun_html {
    height: 100% !important;
    width: 100% !important;
}

.fun_light {
    background-color: #fff;
    overflow: hidden;
}
.fun_dark {
    background-color: #000;
    background-image: none !important;
    overflow: hidden;
}

.fun_video {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    z-index: -1;
}