#interactive.viewport {
    position: relative;
}

#interactive.viewport > canvas, #interactive.viewport > video {
    max-width: 100%;
    width: 100%;
}

canvas.drawing, canvas.drawingBuffer {
    position: absolute;
    left: 0;
    top: 0;
}


.mud { margin: 10px 0; }
.mu  { margin-top: 10px; }
.md  { margin-bottom: 10px; }
.mlr { margin: 0 10px; }

.ico-blank span {
	padding-right: 20px;
}

.ico-watch {
	background: url(/pic/ico-watch.png) no-repeat right;
}