webui: fix css property name

one/static/base.less

@@ -52,7 +52,7 @@ body
     ol {
     ol {
         margin-left: 2em;
         margin-left: 2em;
         li.done {
         li.done {
-            text-color: #aaa;
+            color: #aaa;
         }
         }
     }
     }
 }
 }