Adjusted margins on h3s, added proper copyright symbol

index.html

···
           <a href="mailto:[e-mail]">email</a>.
         </p>
       </section>
-      <section>Copyright 2026 Demetrius</section>
-      <section></section>
+      <section>&copy 2026 Demetrius</section>
     </footer>
   </body>
 </html>

style.css

···
   padding: 0 3em;
 }
 
-:is(header, main) > section:not(:first-child), footer {
+:is(header, main) > section:not(:first-child), footer, h3 {
     margin: 4em auto 2em;
 }