eight: 22px;
         background: rgb({{ theme_color }});
         border-radius: 50%;
         opacity: 0.9;
         padding: 3px;
         margin: 0px 4px;
      }
      .treeItemToggler::before {
        background-color:rgb({{ text_color }});
      }
      {% if request.user.profile.pdf_inverted_mode == 'Enabled' %}
      #viewerContainer > #viewer .page {
        filter: grayscale(100%);
        filter: invert(80%);
      }
      {% endif %}
    </style>
  </head>

  <body>
    <div id="outerContainer