add firefox button and change email to normal url

index.html

@@ -20,7 +20,7 @@
             hello, my name is futile. i am a weird concept from the internet (or a person from europe, depending
             who you ask). i like programming (mostly rust), computers, linux, malicious software such as game hacks and
             malware, and vehicles that drive or fly.<br><br>
-            if you want to contact me, email <a class="email">me [AT] futile [DOT] eu</a>
+            if you want to contact me, email <a class="email" href="mailto:me@futile.eu">me@futile.eu</a>
         </p>
     </div>
     <div style="position: absolute; bottom: 0; left: 0; right: 0;">
@@ -30,6 +30,7 @@
                 <li><a href="https://xenia.blahaj.land/"><img src="buttons/rose_88x31.png" width="88px" height="31px"></a></li>
                 <li><iframe src="//incr.easrng.net/badge?key=futile" style="background: url(//incr.easrng.net/bg.gif)" title="increment badge" width="88" height="31" frameborder="0"></iframe></li>
                 <li><a href="https://fedoraproject.org/spins/kde"><img src="buttons/fedora.png" width="88px" height="31px"></a></li>
+                <li><a href="https://mozilla.org/firefox"><img src="buttons/firefox4.gif" width="88px" height="31px"></a></li>
             </ul>
         </div>
         <div class="footer">