anchor.diff:    <div id="homepage" class="govuk-width-container">
       <section class="home-services" aria-labelledby="services-and-information-label" id="services-and-information">
         <div class="govuk-grid-row">
  -        <h2 id="services-and-information-label" class="visuallyhidden">Services and information</h2>
  +        <h2 id="services-and-information-label" class="govuk-visually-hidden">Services and information</h2>
           <%= render :partial => "categories" %>
         </div>
       </section>
  
positive.code:           <h3>
              <a href="/brexit" class="govuk-link home-promo__link">
                Brexit information
            </a>
            </h3>
            <p class="home-promo__text">
              Find out what Brexit means for you.
  
negative.code: 
      <section class="departments-and-policy" aria-labelledby="departments-and-policy-label">
        <div class="govuk-grid-row home-numbers-and-info">
          <h2 id="departments-and-policy-label" class="govuk-visually-hidden">Departments and&nbsp;policy</h2>
          <div class="govuk-grid-column-one-third">
            <ul class="home-numbers">
              <li>
  