anchor.diff:  <div class="coverscreen group">
  -  <div class="pic" style="background-image:url(/images/streetcar/burnside.jpg)">
  +  <div class="pic" style="background-image:url(images/streetcar/burnside.jpg)">
       <div class="credit">
         <a href="//labratrevenge.com">labratrevenge</a>
       </div>
  
positive.code: 
    <!-- group -->
    <div class="group" id="p4">
      <div class="pic" style="background-image:url(/images/streetcar/broadway.jpg)">
        <a class="anchor" href="#p4">#</a>
        <span class="date">1937</span>
        <div class="info">
  
negative.code: 
    <!-- group -->
    <div class="group" id="p8">
      <div class="pic" style="background-image:url(images/streetcar/sw19th.jpg)">
        <a class="anchor" href="#p8">#</a>
        <span class="date">1939</span>
        <div class="info">
  