.youtube_unit 								{ position: relative; width: 100%; display: flex; align-items: center; justify-content: center; }
.youtube_unit.margin_top 					{ margin-top: 50px; }
.youtube_unit.margin_bottom 				{ margin-bottom: 50px; }
.youtube_unit .frame						{ position: relative; }
.youtube_unit .frame .bg					{ position: relative; }
.youtube_unit .frame .video					{ position: absolute; width: 100%; height: 100%; left: 0; top: 0; }

@media only screen and (max-width : 768px) {
	.youtube_unit.margin_top 					{ margin-top: 25px; }
	.youtube_unit.margin_bottom 				{ margin-bottom: 25px; }

	.youtube_unit .frame						{ width: 100% !important; }
}