anchor.diff:              body, html {
                   margin: 0;
                   padding: 0;
  +                height: 100%;
                   background-color: #000;
  +                background: url(/static/img/background_image.jpg);
  +                background-size: cover;
  +                background-attachment: fixed;
               }
   
               #sidebar {
  
positive.code: 
              .link-to-map a {
                  font-size: 18px;
              }
  
              .login-information {
  
negative.code:                 display: block;
                  margin-left: 40px;
                  text-align: center;
                  height: calc(100% - 100px);
                  position: relative;
                  padding-top: 80px;
              }
  
              .link-to-map {
  