.supplement_files_popup_wrapper {
	position: fixed;
	z-index: 9999;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	background-color: rgba(0, 0, 0, 0.25);
	display: none;
	width: 100%;
	height: 100%;
}

.supplement_files_popup_wrapper .supplemental_files_popup_container {
	display: inline-block;
	position: absolute;
	margin: auto;
}

.supplement_files_popup_wrapper .supplemental_files_popup_container .wp-video {
	display: block;
	margin: auto;
	max-width: 90%;
	width: unset;
	min-width: 40%;
}

.supplement_files_popup_wrapper .supplemental_files_popup_container .wp-video .wp-video-shortcode {
	max-width: 100%;
	max-height: 360px;
}

.supplement_files_popup_wrapper .close_popup {
	position: absolute;
	top: 10px; 
	right: 10px;
	color: red;
	cursor: pointer;
} 	

.suplemental_file_optin_container {    
	background: #333;
    padding: 10px;
    font-size: 16px;
    line-height: 16px;
    position: relative;
    color: #fff;
}