anchor.diff:      </div>
   
       <div class="tabs-panel" id="search-gene-set-enrichment" style="background-color: #e6e6e6;">
  -        <p>
  -            A simple RESTful API to analyse (Fisher-exact) enrichment of
  -            user-provided set of Ensembl gene identifiers against
  -            differentially expressed genes in each Atlas comparison in an organism.
  -        </p>
           <form action="genesetenrichment" method="get" id="home-genesetenrichment-atlas-form">
               <div class="secondary ">
  -                <div class="row">
  -                    <div class="small-12 columns">
  -                        <label>List of gene identifiers</label>
  -                        <input type="text" placeholder="Add genes" name="query"/>
  -                    </div>
  +                <div class="row column">
  +                    <label>Provide a set of Ensembl gene identifiers to test enrichment against differentially expressed genes by comparison:</label>
  +                    <input type="text" placeholder="Enter gene IDs…" name="query"/>
                   </div>
   
  -                <div class="row">
  -                    <div class="small-12 columns small">
  -                        Example: <a
  -                            href="${pageContext.request.contextPath}/genesetenrichment?query=AT1G48030%20AT1G53240%20AT2G17130%20AT2G20420%20AT2G44350%20AT2G47510%20AT3G09810%20AT3G15020%20AT3G17240%20AT3G27380%20AT3G55410%20AT3G60100%20AT4G26910%20AT4G35260%20AT4G35650%20AT4G35830%20AT5G03290%20AT5G08300%20AT5G23250%20AT5G40650%20AT5G50950%20AT5G55070%20AT5G65165%20AT5G65750%20AT5G66760">
  +                <div class="row column small">
  +                    Example: <a
  +                        href="${pageContext.request.contextPath}/genesetenrichment?query=AT1G48030%20AT1G53240%20AT2G17130%20AT2G20420%20AT2G44350%20AT2G47510%20AT3G09810%20AT3G15020%20AT3G17240%20AT3G27380%20AT3G55410%20AT3G60100%20AT4G26910%20AT4G35260%20AT4G35650%20AT4G35830%20AT5G03290%20AT5G08300%20AT5G23250%20AT5G40650%20AT5G50950%20AT5G55070%20AT5G65165%20AT5G65750%20AT5G66760">
                           AT1G48030 AT1G53240 AT2G17130 AT2G20420 AT2G44350 AT2G47510 AT3G09810 AT3G15020 AT3G17240 AT3G27380 AT3G55410 AT3G60100 AT4G26910 AT4G35260 AT4G35650 AT4G35830 AT5G03290 AT5G08300 AT5G23250</a>
  -                    </div>
                   </div>
   
  -                <div class="row margin-top-large">
  -                    <div class="small-12 columns">
  -                        <input id="genesetenrichment-atlas-search-button" class="button" type="submit" value="Search"/>
  -                    </div>
  +                <div class="row column margin-top-large">
  +                    <input id="genesetenrichment-atlas-search-button" class="button" type="submit" value="Search"/>
  +                </div>
  +
  +                <div class="row column">
  +                    <a href="https://www.ebi.ac.uk/~rpetry/geteam/gsa/gsa_apispec.pdf">Analyse Fisher-exact enrichment through our restful API.</a>
                   </div>
               </div>
           </form>
  
positive.code:                 <div class="small-12 medium-4 large-5 columns">
                      <div class="row column">
                          <label>Gene / Gene properties</label>
                          <input id="home-search-gene-query-input" type="text" placeholder="Enter gene query" name="geneQuery"/>
                      </div>
                      <div class="row column small">
                          Examples: <a href='${pageContext.request.contextPath}/search?geneQuery=[{"value":"REG1B"}]'>REG1B</a>,
  
negative.code:                 <div id="sample-properties-section" class="small-12 medium-4 large-5 columns">
                      <div class="row column">
                          <label>Biological conditions</label>
                          <input id="home-search-condition-query-input" type="text" placeholder="Enter condition query…" name="conditionQuery" />
                      </div>
                      <div class="row column small margin-top-small">
                          Examples: <a href='${pageContext.request.contextPath}/search?conditionQuery=[{"value":"lung"}]'>lung</a>,
  