anchor.diff:  <input type="hidden" value="all" name="posted_data[including]">
   <input type="text" placeholder="Zoeken..." name="posted_data[substring]" size="24">
   <a href="javascript:document.productsearchform.submit()">
  -<img alt="Zoeken" src="/assets/frontend/search.png">
  +  <%= image_tag "frontend/search.png", alt: "Zoeken"  %>
   </a>
   </form>
   </div>
  
positive.code: <div class="container">
  <div class="mainmenu">
  <ul>
  <li class="home"><a href="/"><img alt="Home" src="/assets/frontend/home.png"></a></li>
  <li><a href="/">Over ons</a></li>
  <li><a href="/products">Productcategorie</a></li>
  <li><a href="/products">Shop</a></li>
  
negative.code: </select>
  </div>
  <ul class="topmenu">
    <li>
      <%= image_tag "frontend/user.png", class: "cart", alt: "user" %>
    </li>
  <li>
  <a href="/login">Klant Login</a>
  </li>
  