Change #666 to #000 for unvalidated categories

source/stylesheets/maturity.css.scss

@@ -29,8 +29,8 @@
         margin-bottom: 0px;
         position: relative;
         top: 1px;
-        fill: #666;
-        stroke: #666;
+        fill: #000;
+        stroke: #000;
       }
       .new-maturity {
@@ -60,8 +60,8 @@
     height: 20px;
     width: 20px;
     margin-bottom: 0px;
-    fill: #666;
-    stroke: #666;
+    fill: #000;
+    stroke: #000;
     position: relative;
     top: 3px;
   }
@@ -161,8 +161,8 @@
   svg {
     height: 1em;
     width: 1em;
-    fill: #666;
-    stroke: #666;
+    fill: #000;
+    stroke: #000;
     top: .125em;
     position: relative;
   }