docs: fix website downloads part

Author: lauthieb

docs/_includes/download.html

@@ -9,14 +9,14 @@ <h2 class="section-heading">Download now</h2>
             <li>
               <a class="download-link"
                  href="https://github.com/lauthieb/code-notes/releases/download/1.2.3/code-notes-1.2.3.dmg"
-                 target="_blank" rel="noopener noreferrer"><em class="fa fa-fw fa-apple"
+                 target="_blank" rel="noopener noreferrer"><i class="fa fa-fw fa-apple"
                  ></i></a>
               <a class="download-link"
                  href="https://github.com/lauthieb/code-notes/releases/download/1.2.3/code-notes-1.2.3-x86_64.AppImage"
-                 target="_blank" rel="noopener noreferrer"><em class="fa fa-fw fa-linux"></em></a>
+                 target="_blank" rel="noopener noreferrer"><i class="fa fa-fw fa-linux"></i></a>
               <a class="download-link"
                  href="https://github.com/lauthieb/code-notes/releases/download/1.2.3/code-notes-1.2.3.exe"
-                 target="_blank" rel="noopener noreferrer"><em class="fa fa-fw fa-windows"></em></a>
+                 target="_blank" rel="noopener noreferrer"><i class="fa fa-fw fa-windows"></i></a>
             </li>
           </ul>
         </div>