.ui-icon-facebook:after { background-image: url("data:image/svg+xml;charset=US-ASCII,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3C!DOCTYPE%20svg%20PUBLIC%20%22-%2F%2FW3C%2F%2FDTD%20SVG%201.1%20Tiny%2F%2FEN%22%20%22http%3A%2F%2Fwww.w3.org%2FGraphics%2FSVG%2F1.1%2FDTD%2Fsvg11-tiny.dtd%22%3E%3Csvg%20version%3D%221.1%22%20baseProfile%3D%22tiny%22%20id%3D%22Layer_1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20x%3D%220px%22%20y%3D%220px%22%20width%3D%2216px%22%20height%3D%2216px%22%20viewBox%3D%220%200%20500%20500%22%20xml%3Aspace%3D%22preserve%22%3E%20%3Cpath%20d%3D%22M142.578%20155.134h71.708l-8.371%2079.241h-63.337v229.911h-95.145v-229.911h-47.433v-79.241h47.433v-47.712q0-50.781%2023.996-76.87t78.962-26.088h63.337v79.241h-39.621q-10.882%200-17.438%201.813t-9.487%206.557-3.767%209.626-0.837%2013.812v39.621z%22%20fill%3D%22%23ffffff%22%20%2F%3E%3C%2Fsvg%3E"); background-repeat: no-repeat; }

.ui-nosvg .ui-icon-facebook:after { background-image: url("facebook.png"); }