fix white on white with active list-group-items, closes #337

superhero/bootswatch.less

@@ -258,6 +258,48 @@ label,
   .box-shadow(none);
 }
 
+a.list-group-item {
+
+  &.active,
+  &.active:hover,
+  &.active:focus {
+    border: none;
+  }
+
+  &-success {
+    &.active {
+      background-color: @state-success-bg;
+    }
+
+    &.active:hover,
+    &.active:focus {
+      background-color: darken(@state-success-bg, 5%);
+    }
+  }
+
+  &-warning {
+    &.active {
+      background-color: @state-warning-bg;
+    }
+    
+    &.active:hover,
+    &.active:focus {
+      background-color: darken(@state-warning-bg, 5%);
+    }
+  }
+
+  &-danger {
+    &.active {
+      background-color: @state-danger-bg;
+    }
+    
+    &.active:hover,
+    &.active:focus {
+      background-color: darken(@state-danger-bg, 5%);
+    }
+  }
+}
+
 .panel {
   border: none;