anchor.diff:  
   <%= code_example '
   <form class="custom">
  -  <label for="radio1">
  -    <input name="radio1" type="radio" id="radio1" style="display:none;">
  -    <span class="custom radio"></span> Radio Button 1
  -  </label>
  -</form>', :html %>
  -
  -        <form class="custom">
  -          <label for="radio1">
  -            <input name="radio1" type="radio" id="radio1" style="display:none;">
  -            <span class="custom radio"></span> Radio Button 1
  -          </label>
  +  <input name="radio1" type="radio" id="radio1">
  +  <label for="radio1"><span></span> Radio Button 1</label>
  +</form>', :html %>
  +
  +        <form class="custom">
  +          <form class="custom">
  +            <input name="radio1" type="radio" id="radio1">
  +            <label for="radio1"><span></span> Radio Button 1</label>
  +          </form>
           </form>
   
           <hr>
  
positive.code: 
  <%= code_example '
  <form class="custom">
    <label for="checkbox1">
      <input type="checkbox" id="checkbox1" style="display: none;">
      <span class="custom checkbox"></span> Label for Checkbox
    </label>
  </form>', :html %>
  
          <form class="custom">
            <label for="checkbox1">
              <input type="checkbox" id="checkbox1" style="display: none;">
              <span class="custom checkbox"></span> Label for Checkbox
            </label>
          </form>
  
          <hr>
  
  
negative.code: <form class="custom">
    <div class="row">
      <div class="large-4 columns">
        <input name="radio1" type="radio" id="radio1" CHECKED>
        <label for="radio1"><span></span> Radio Button 1</label>
        <input name="radio1" type="radio" id="radio1">
        <label for="radio1"><span></span> Radio Button 2</label>
        <input name="radio1" type="radio" id="radio1" disabled>
        <label for="radio1"><span></span> Radio Button 3</label>
      </div>
      <div class="large-4 columns">
        <input type="checkbox" id="checkbox1">
        <label for="checkbox1"><span></span> Label for Checkbox</label>
        <input type="checkbox" id="checkbox2" CHECKED>
        <label for="checkbox2"><span></span> Label for Checkbox</label>
        <input type="checkbox" CHECKED id="checkbox3">
        <label for="checkbox3"><span></span> Label for Checkbox</label>
      </div>
      <div class="large-4 columns">
        <label for="customDropdown1">Medium Example</label>
  