body{font-size:15px}h3{font-size:21px}.video-container{position:relative;overflow:hidden;width:100%;padding-top:56.25%}.responsive-iframe{position:absolute;top:0;left:0;bottom:0;right:0;width:100%;height:100%}.img-container{position:relative;overflow:hidden;width:100%;padding-top:56.25%}.responsive-img{position:absolute;top:0;left:0;bottom:0;right:0;max-width:75%;max-height:75%}.navigation-links{display:none}