CSS code for responsive video

Responsive video container

/**Put video embeds in this div for responsive behaviour**/
.video_wrapper {
    position: relative;
    padding-bottom: 74.25%; /* for a 4:3 aspect ratio */
	/* change padding-bottom to : 56.25% for 16:9 ratio, 50% for 16:10 ratio */
    padding-top: 30px;
    height: 0;
    overflow: hidden;
	margin-bottom: $MainPad;
}

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