Added Facebook button link

index.html

@@ -362,12 +362,13 @@ <h3>Lorenzo Rossoni</h3>
     <section class="contact bg-primary" id="contact">
       <div class="container">
         <h2>We <i class="fa fa-heart"></i> new friends!</h2>
-        <p class="text-muted">Follow us on Twitter or join our official Unigram group</p>
+        <p class="text-muted">Follow us on social media or join our official Unigram group</p>
         <hr>
         <div class="row">
           <div class="col-md-8 offset-md-2">
             <div class="contact-buttons">
               <a class="btn-si-a btn-si btn-twitter" href="https://twitter.com/UnigramApp">@UnigramApp</a>
+              <a class="btn-si-a btn-si btn-facebook" href="https://www.facebook.com/UnigramApp/">Official Page</a>
               <a class="btn-si-a btn-si btn-unigram" href="https://t.me/joinchat/AAAAAD851oqVwhp9oy9WbQ">Unigram Insiders</a>
             </div>
           </div>

js/common.js

@@ -3,7 +3,8 @@
 
     // Smooth scrolling using jQuery easing
     $('a[href*="#"]:not([href="#"])').click(function() {
-        if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') && location.hostname == this.hostname) {
+        if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') 
+          && location.hostname == this.hostname) {
             var target = $(this.hash);
             target = target.length ? target : $('[name=' + this.hash.slice(1) + ']');
             if (target.length) {