.videocontainer {
            width: 100%;
            height: 0;
            padding-bottom: 56.25%;
            overflow: hidden;
            position: relative;
        }

            .videocontainer.r1 {
                padding-bottom: 100%;
            }

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