anchor.diff:                  <div class="form-group">
                       <label for="pdbId" class="col-sm-2 control-label">
                       PDB code
  -                        <a class='tooltip-hint' data-toggle="tooltip" data-placement="top"
  +                        <a class='tooltip-hint' data-toggle="tooltip" data-placement="top" data-container="body"
                               title="PrankWeb will download the protein file from PDB.">
                               <i class='glyphicon glyphicon-question-sign' style="color:black;"></i>
                           </a>
  
positive.code:                 <div class="form-group">
                      <label for="upload-msas" id="msa_opt_lbl" class="col-sm-2 control-label">
                          MSA files (optional)
                          <a class='tooltip-hint' data-toggle="tooltip" data-placement="top"
                              title="Provide your custom MSA file and PrankWeb will calculate the conservation scores from that MSA file. Alignments in FASTA formats are supported.">
                              <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>
  