Amazon open in new tab

amaz.giveaway.user.js

@@ -4,7 +4,7 @@
 // @description Allow removal of visited links on Amazon Giveaway Listing
 // @include https://smile.amazon.com/ga/giveaways*
 // @include https://www.amazon.com/ga/giveaways*
-// @version 1.7.3
+// @version 1.8.0
 // @require https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js
 // ==/UserScript==
 
@@ -39,6 +39,8 @@ var hideVisited = function(evt) {
 };
 
 $(document).ready(function() {
+  $('head').append('<base target="_blank" />');
+
   $('#giveaway-grid').on('click', 'a[href*="amazon.com/ga"]', function(evt) {
 
     var href = getSmallUrl($(this).attr('href'));