.videoWrapper {
	position: relative;
	padding-bottom: 56.25%; /* 16:9 */
	padding-top: 25px;
	height: 0;
}
.videoWrapper iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.three-columns {
    
    -webkit-column-count: 3; /* Chrome, Safari, Opera */
    -moz-column-count: 3; /* Firefox */
    column-count: 3;
    
    -webkit-column-gap: 20px; /* Chrome, Safari, Opera */
    -moz-column-gap: 20px; /* Firefox */
    column-gap: 20px;
    
    -webkit-column-gap: 2rem; /* Chrome, Safari, Opera */
    -moz-column-gap: 2rem; /* Firefox */
    column-gap: 2rem;
    
}