feat: add adminfest callout

Author: Nachichuri

css/styles.css

@@ -304,4 +304,33 @@ footer {
   .hero-logo {
     max-width: 90vw;
   }
+}
+
+/* AdminFest callout */
+
+.logo-fixed {
+  position: fixed;
+  bottom: 1em;
+  right: 1em;
+  z-index: 1000;
+  width: 25em;
+  height: auto;
+}
+
+@media (max-width: 1366px) {
+  .logo-fixed {
+    width: 20em;
+  }
+}
+
+@media (max-width: 1000px) {
+  .logo-fixed {
+    width: 15em;
+  }
+}
+
+@media (max-width: 699px) {
+  .logo-fixed {
+    display: none;
+  }
 }

images/adminfest.png

@@ -181,6 +181,9 @@ <h2>Unite a la comunidad</h2>
       <a href="https://www.linkedin.com/groups/4736196/" target="_blank"><i class="fab fa-linkedin fa-lg"></i></a>
     </div>
   </footer>
+  <a href="https://adminfest.com" target="_blank">
+    <img src="images/adminfest.png" alt="#AdminFest 2025" class="logo-fixed">
+  </a>
   <script src="js/main.js"></script>
 </body>