closes #2241

public/less/admin/manage/categories.less

@@ -113,4 +113,21 @@
 			}
 		}
 	}
+
+	.category-list {
+		padding: 0;
+
+		li {
+			.inline-block;
+			.pointer;
+			padding: 0.5em;
+			margin: 0.25em;
+			.border-radius(3px);
+
+			&.disabled {
+				-webkit-filter: grayscale(30%);
+				.opacity(0.5);
+			}
+		}
+	}
 }