iframe cover css

   /* HTML link cover styles */

    html div#om-{{id}} #iframeCover {

	display: block;

	height: 100%;

	width: 100%;

	position: absolute;

    }

    /* Sample styling for text instructions */

    html div#om-{{id}} #formInstructions {

        text-align: center;

        font-weight: bold;

    }