anchor.diff:                  <div style="text-align:center;">OR</div>
                   <div class="form-group">
                       <label for="upload-pdb" class="col-sm-2 control-label">PDB file
  -                        <a class='tooltip-hint' data-toggle="tooltip" data-placement="top"
  -                           title="Protein file to analyze.">
  +                        <a class='tooltip-hint' data-toggle="tooltip" data-placement="top" data-container="body"
  +                           title="Upload your own PDB file (e.g. a PDB file of a biologically relevant unit.)">
                               <i class='glyphicon glyphicon-question-sign' style="color:black;"></i>
                           </a>
                       </label>
  
positive.code:                                 <input id="conservation-checkbox" name="doConservation" type="checkbox"
                                      onclick="doConservationClicked()" checked="checked" style="margin-right: 4px;">
                                      Run conservation analysis
                                      <a class='tooltip-hint' data-toggle="tooltip" data-placement="top"
                                          title="If checked, a model that exploits conservation will be used to classify protein binding sites. If neither MSA nor PDB code is provided, PrankWeb will calculate conservation from MSA of similar proteins.">
                                          <i class='glyphicon glyphicon-question-sign' style="color:black;"></i>
                                      </a>
  
negative.code:                     <div class="col-sm-10 col-sm-offset-2">
                          <div>
                              <b>Restrict to chains</b>
                                  <a class="tooltip-hint" data-toggle="tooltip" data-placement="top" data-container="body"
                                      title="Optional. Comma separated list of chains to analyze.">
                                      <i class="glyphicon glyphicon-question-sign" style="color:black;"></i>
                                  </a>
  