$buttons = <<<EOC
<p style="margin-top: 5px; margin-bottom: 4px; text-align: center;">
-<button onclick="return passwd_delete()">Passwort löschen</button>
-<button onclick="return passwd_set()">Passwort setzen</button>
+<button class="custom" onclick="return passwd_delete()">Passwort löschen</button>
+<button class="custom" onclick="return passwd_set()">Passwort setzen</button>
</p>
EOC;