#canvas-container { min-width: 640px; min-height: 480px; position: relative; display: none; } #header { margin-left: 15px; } #sb-video { position: absolute; top: 0px; left: 0px; z-index: 100; } #sb-canvas { position: absolute; top: 0px; left: 0px; background-color: rgba(0, 0, 0, 0); z-index: 1000; } #sb-message { visibility: hidden; z-index: 10000; } #sb-countdown { min-width: 20px; } .btn { margin-right: 10px; }