make forum authorbar work with usercard

css/usercard.css

@@ -14,21 +14,21 @@
 
 /* == STYLES */
 .user-card { /* Worm Bumps */
-	background-image: none;
-	background-color: #ededed;
+	--usercard-image: none;
+	--usercard-color: #ededed;
 }
 
 .user-card.wbblue { /* Worm Engravings */
-	background-image: url('../background');
-	background-color: #1E90FF;
+	--usercard-image: url('../background');
+	--usercard-color: #1E90FF;
 }
 
 .user-card.wbumps { /* Worm Bumps */
-	background-image: url('../card/wbumps');
-	background-color: #ededed;
+	--usercard-image: url('../card/wbumps');
+	--usercard-color: #ededed;
 }
 
 .user-card.wgraving { /* Worm Engravings */
-	background-image: url('../card/wgraving');
-	background-color: #ededed;
+	--usercard-image: url('../card/wgraving');
+	--usercard-color: #ededed;
 }