.viewer-embed-container {position: relative; padding-bottom: 80%; height: 750px; max-width: 100%;} .viewer-embed-container iframe, .viewer-embed-container object, .viewer-embed-container iframe{position: absolute; top: 0; left: 0; width: 100%; height: 100%;} small{position: absolute; z-index: 40; bottom: 0; margin-bottom: -15px;}