Update index.html

public/index.html

@@ -102,6 +102,7 @@
                     <form action="beispielprojekt/src/beispiel.html" class="form-signin" method="GET">
                       <button type="submit" class="btn btn-sm btn-outline-secondary">Details</button>
                     </form>  
+                    &nbsp;
                     <form action="beispielprojekt/src/beispiel.html" class="form-signin" method="GET">
                       <button type="submit" class="btn btn-sm btn-outline-secondary">Details</button>
                     </form>