diff --git a/default-theme.html b/default-theme.html
index 7524ecd..478d087 100644
--- a/default-theme.html
+++ b/default-theme.html
@@ -16,7 +16,30 @@
 
   :root {
     /*
-     * Light background theme
+     * You can use these generic variables in your elements for easy theming.
+     * For example, if all your elements use `--primary-text-color` as its main
+     * color, then switching from a light to a dark theme is just a matter of
+     * changing the value of `--primary-text-color` in your application.
+     */
+    --primary-text-color: var(--light-theme-text-color);
+    --primary-background-color: var(--light-theme-background-color);
+    --secondary-text-color: var(--light-theme-secondary-color);
+    --disabled-text-color: var(--light-theme-disabled-color);
+    --divider-color: var(--light-theme-divider-color);
+
+    /*
+     * Primary and accent colors. Also see color.html for more colors.
+     */
+    --primary-color: #3f51b5;  /* --paper-indigo-500 */
+    --light-primary-color: #c5cae9;  /* --paper-indigo-100 */
+    --dark-primary-color: #303f9f;  /* --paper-indigo-700 */
+
+    --accent-color: #ff4081;  /* --paper-pink-a200 */
+    --light-accent-color: #ff80ab;  /* --paper-pink-a100 */
+    --dark-accent-color: #f50057;  /* --paper-pink-a400 */
+
+    /*
+     * Material Design Light background theme
      */
     --light-theme-background-color: #ffffff;
     --light-theme-base-color: #000000;
@@ -26,7 +49,7 @@
     --light-theme-divider-color: #dbdbdb;
 
     /*
-     * Dark background theme
+     * Material Design Dark background theme
      */
     --dark-theme-background-color: #212121;
     --dark-theme-base-color: #ffffff;
@@ -35,27 +58,12 @@
     --dark-theme-disabled-color: #646464;  /* disabled/hint text */
     --dark-theme-divider-color: #3c3c3c;
 
-    /*
-     * Primary and accent colors. Also see color.html for more colors.
-     */
-    --primary-color: #3f51b5;  /* --paper-indigo-500 */
-    --light-primary-color: #c5cae9;  /* --paper-indigo-100 */
-    --dark-primary-color: #303f9f;  /* --paper-indigo-700 */
-
-    --accent-color: #ff4081;  /* --paper-pink-a200 */
-    --light-accent-color: #ff80ab;  /* --paper-pink-a100 */
-    --dark-accent-color: #f50057;  /* --paper-pink-a400 */
-
     /*
      * Deprecated values because of their confusing names.
      */
-    --primary-text-color: var(--light-theme-text-color);
     --text-primary-color: var(--dark-theme-text-color);
-    --primary-background-color: var(--light-theme-background-color);
-    --secondary-text-color: var(--light-theme-secondary-color);
-    --disabled-text-color:var(--light-theme-disabled-color);
-    --divider-color: var(--light-theme-divider-color);
     --default-primary-color: var(--primary-color);
+
   }
 
 </style>