anchor.diff:  
   article .place {
     border: solid 1px #93A1A1;
  -  margin: 1em 0;
  +  margin: 0.75em 0;
     padding: 1em;
   }
   
  
positive.code: 
  .contact {
    background-color: #fff;
    border: solid 1px #bbb;
    box-sizing: border-box;
    margin: 1em 0;
    padding: 0.25em 1em;
    min-width: 60%;
  }
  
negative.code: article .example {
    background: #E8F0F0;
    border: solid 1px #93A1A1;
    margin: 0.75em 0;
    padding: 0 1em;
  }
  
  article .help-notice,
  article .info-notice {
    border: 1px solid #93A1A1;
    margin: 0.75em 0;
    padding: 0.5em 1em 0.5em 3.5em;
  }
  
  