fixed footer cross-origin links

_includes/footer.html

@@ -2,16 +2,16 @@
   <div class="two spacing"></div>
   <div class="row">
     <div class="small-12 columns">
-          <p>Made with <i class="fa fa-heart" style="color: red;" aria-hidden="true"></i> in <a href="https://en.wikipedia.org/wiki/Tirana" target="_blank">Tirana, Albania</a><p>
+          <p>Made with <i class="fa fa-heart" style="color: red;" aria-hidden="true"></i> in <a href="https://en.wikipedia.org/wiki/Tirana" target="_blank" rel="noopener">Tirana, Albania</a><p>
       <div class="one spacing"></div>
       <ul class="socials">
-        <li><a href="https://twitter.com/uracreative" target="_blank"><i class='fab fa-twitter'></i></a></li>
+        <li><a href="https://twitter.com/uracreative" target="_blank" rel="noopener"><i class='fab fa-twitter'></i></a></li>
-        <li><a href="https://github.com/uracreative/ura.design/" target="_blank"><i class='fab fa-github'></i></a></li>
+        <li><a href="https://github.com/uracreative/ura.design/" target="_blank" rel="noopener"><i class='fab fa-github'></i></a></li>
       </ul>
-      <p>Committed to Free Software, Internet Freedom, and <a href="http://opensourcedesign.net/">Open Source Design</a></p>
+      <p>Committed to Free Software, Internet Freedom, and <a href="http://opensourcedesign.net/" target="_blank" rel="noopener">Open Source Design</a></p>
-      <p> Trademarks are property of their respective owners. All site content, unless otherwise noted, is licensed <a href="http://creativecommons.org/licenses/by-sa/4.0">CC BY-SA 4.0 International</a> by Ura Design</p>
+      <p> Trademarks are property of their respective owners. All site content, unless otherwise noted, is licensed <a href="http://creativecommons.org/licenses/by-sa/4.0" target="_blank" rel="noopener">CC BY-SA 4.0 International</a> by Ura Design</p>
-      <p><a href="https://tinyletter.com/uracreative/archive" target="_blank">Newsletter Archive</a></p>
+      <p><a href="https://tinyletter.com/uracreative/archive" target="_blank" rel="noopener">Newsletter Archive</a></p>
-      <p><a href="{{ site.baseurl }}/privacy-policy" target="_blank">Privacy Policy</a></p>
+      <p><a href="{{ site.baseurl }}/privacy-policy" target="_blank" rel="noopener">Privacy Policy</a></p>
       <div class="two spacing"></div>
       <p class="back-to-top"><a href="#"><i class="fa fa-chevron-up"></i>Back to top</a></p>
     </div>