Fix markup; add link to main repo

index.html

@@ -41,6 +41,8 @@
       text-align: center;
       margin-top: 2em;
       font-style: italic;
+    }
+    .git-hash abbr {
       font-family: monospace;
     }
     @media print {
@@ -90,6 +92,7 @@
         <ul>
           <li><a href="Introduction-to-Pandas--tasks.ipynb">Tasks Notebook</a> (via <a href="https://nbviewer.jupyter.org/urls/herten1.pages.jsc.fz-juelich.de/jsc-pandas-introduction/Introduction-to-Pandas--tasks.ipynb">nbviewer</a>)</li>
           <li><a href="Introduction-to-Pandas--solution.ipynb">Solutions Notebook</a> (via <a href="https://nbviewer.jupyter.org/urls/herten1.pages.jsc.fz-juelich.de/jsc-pandas-introduction/Introduction-to-Pandas--solution.ipynb">nbviewer</a>)</li>
+        </ul>
       </li>
       <li>Slides
         <ul>
@@ -102,7 +105,7 @@
   </section>
   <footer>
     <a href="mailto:a.herten@fz-juelich.de" rel="author">—Andreas Herten</a>
-    <span class="git-hash"><abbr title="Git hash of main repository">REPO_HASH</abbr> // <abbr title="Git hash of this page's branch">PAGES_HASH</abbr></span>
+    <span class="git-hash">Generated from <a href="https://gitlab.version.fz-juelich.de/herten1/jsc-pandas-introduction">main repository</a> with Git hashs <abbr title="Git hash of main repository">REPO_HASH</abbr> and <abbr title="Git hash of this page's branch">PAGES_HASH</abbr></span>
   </footer>
 </body>
 </html>