.video-slice{float:left;margin:0;position:relative;width:100%}.centered-content{margin:0 auto;width:100%;max-width:1300px}.video-slice .youtube-video{margin:5%;height:500px;width:90%}@media only screen and (max-width:740px){.video-slice .youtube-video{margin:2%;height:300px;width:96%}}