anchor.diff:  <div class="ingredient-browser">
  -
  +  <div class="skip-link"><a href="#ingredient-search">Skip to Ingredient Search</a></div>
     <div class="bubble-chart container">
       <div class="row">
         <div class="col-sm-12">
  
positive.code:         <h1>The Ingredient Browser</h1>
        </div>
        <div class="col-sm-7">
          <div class="skip-link"><a href="#ingredient-search">Skip to Ingredient Search</a></div>
          <p aria-hidden="true">This visual graphic gives an overall glance of the most common  pharmaceutical ingredients used in medications, cosmetics, consumable products, and their frequency of occurance.</p>
          <p aria-hidden="true">Hover and select a bubble for a list of products that contain the element.</p>
          <p> Update the input field below to search for specific pharmaceutical ingredients.</p>
  
negative.code:             <label for="substance">Search for </label>
              <input id="substance" role="search" placeholder="substance">
              <input type="hidden" id="substance-id">
            </div>
          </form>
  
  