anchor.diff:                  | #{megabytes|floatformat:"-2"}M
           br
           br
  -        a.toggle.closed#problem-types
  -        span(style='font-weight:bold').unselectable Problem type(s):
  +        span.toggle.closed.unselectable#problem-types
  +            span.icon
  +            | Problem type(s):
           #problem-types-toggle(style="display:none;margin-bottom:-1em") #{problem.types_list|join:", "}
           br
           if show_languages
               br
  -            a.toggle.open#allowed-langs
  -            span(style='font-weight:bold').unselectable Allowed languages:
  +            span.toggle.open.unselectable#allowed-langs
  +                span.icon
  +                | Allowed languages:
               #allowed-langs-toggle(style="margin-bottom:-1em") #{problem.languages_list|join:", "}
               br
       .content-description
  
positive.code:             line-height: 0;
              width: 0;
              height: 0;
              margin-right: 3px;
              margin-left: -15px;
          }
  
          .toggle.closed {
              border-style: solid;
              border-width: 6px 0 6px 7px;
              border-color: transparent transparent transparent #666;
              margin-right: 5px;
              margin-left: -12px;
              font-size: 0;
              vertical-align: middle;
              width: 0;
              height: 0;
          }
  
  
  
negative.code:                     'padding-left': '40px'
                  }).prependTo('#content-body');
              });
  
              $('span.toggle').click(function () {
                  var a = $(this);
                  var types = $('#' + a.attr('id') + '-toggle');
                  if (types.is(':visible')) {
                      types.hide();
                  } else {
                      types.show();
                  }
                  a.toggleClass('open');
                  a.toggleClass('closed');
              });
          });
      style
          .toggle .icon {
              font-weight: bold;
              border-style: solid;
              border-width: 7px 6px 0 6px;
              border-color: #666 transparent transparent transparent;
  