/* Responsive Videos */
.video-block {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-block iframe,
.video-block object,
.video-block embed,
.video-block video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}