Fix em/i element semantics in note and credit text

Author: daviduhden

contact.html

@@ -74,8 +74,8 @@ <h2 class="icon-label icon-simplex">SimpleX group</h2>
         <img src="./images/simplex-qr.png" alt=
         "SimpleX group invite QR code"></a>
         <figcaption>
-          <em>You can also click the QR image to open the same invite link in
-          your browser.</em>
+          <i>You can also click the QR image to open the same invite link in
+          your browser.</i>
         </figcaption>
       </figure>
     </section>
@@ -88,9 +88,9 @@ <h2>Email</h2>
         administrator at <a href=
         "mailto:david@uhden.dev">david@uhden.dev</a></p>
 
-        <p><em>Whenever possible, email should be sent in <a href=
+        <p><i>Whenever possible, email should be sent in <a href=
         "https://useplaintext.email">plain-text format</a> rather than
-        HTML.</em>
+        HTML.</i>
         </p>
 
         <p class="icon-label icon-gnupg">Public PGP key (RSA4096):</p>

index.html

@@ -195,10 +195,10 @@ <h2>Donations</h2>
       </dl>
     </section>
 
-    <p id="powered" class="icon-label icon-openbsd"><em>This website runs on
-    the <a href="https://www.openbsd.org">OpenBSD</a> operating system
-    (<a href="https://man.openbsd.org/httpd.8">httpd</a>) and uses <a href=
-    "https://openbsd.amsterdam">OpenBSD Amsterdam</a> for VPS hosting.</em>
+    <p id="powered" class="icon-label icon-openbsd"><i>This website runs on the
+    <a href="https://www.openbsd.org">OpenBSD</a> operating system (<a href=
+    "https://man.openbsd.org/httpd.8">httpd</a>) and uses <a href=
+    "https://openbsd.amsterdam">OpenBSD Amsterdam</a> for VPS hosting.</i>
     </p>
   </main>