Minor updates

All checkboxes in a group can have the same name.
-webkit- prefix no longer needed.

Author: estelle

html/forms/styling-examples/checkboxes-styled.html

@@ -5,7 +5,6 @@
     <title>Checkboxes styled</title>
     <style>
       input[type="checkbox"] {
-        -webkit-appearance: none;
         appearance: none;
       }
 
@@ -50,19 +49,19 @@
 
       <p>
         <label>
-          <input type="checkbox" name="fruit-1" value="cherry">
+          <input type="checkbox" name="fruit" value="cherry">
           I like cherry
         </label>
       </p>
       <p>
         <label>
-          <input type="checkbox" name="fruit-2" value="banana" disabled>
+          <input type="checkbox" name="fruit" value="banana" disabled>
           I can't like banana
         </label>
       </p>
       <p>
         <label>
-          <input type="checkbox" name="fruit-3" value="strawberry">
+          <input type="checkbox" name="fruit" value="strawberry">
           I like strawberry
         </label>
       </p>