Hintergrundbild im chat über css einfügen

#tabs .tab-pane {
	height: 100% !important;
	bottom: 0 !important;
	padding: 10px !important;
	background-color: #0b0a0a;
	background: linear-gradient(0deg, rgb(11, 11, 11) 3%, rgb(32, 32, 32) 50%, rgb(9, 9, 9) 98%);
	background-image: url("https://radiotrallacity.de/ilo/backrtc.jpg");
	background-size: cover;
	background-position: right center;
}