updated chat teaser behaviour to be a single truncated line of text

less/chats.less

@@ -30,14 +30,15 @@
 			background: lighten(@brand-primary, 25%);
 		}
 
+		.teaser-content {
+			display: block;
+			white-space: nowrap;
+			overflow: hidden;
+			text-overflow: ellipsis;
+		}
+
 		&.bg-primary {
 			background: @brand-primary;
-
-			.teaser-content {
-				a {
-					color: @body-bg;
-				}
-			}
 		}
 
 		.username {