Prevent contribute button from opening new tab

index.html

@@ -105,7 +105,7 @@
         <div class="progress-text"></div>
 
         <div class="row text-center" style="margin-bottom: 20px;">
-          <a href="https://fund.poddery.com" target="_blank" style="margin-left:12px;"><button type="button" class="btn btn-success">CONTRIBUTE</button></a>
+          <a href="https://fund.poddery.com" style="margin-left:12px;"><button type="button" class="btn btn-success">CONTRIBUTE</button></a>
         </div>
         <div class="btn-group space">
           <a class="btn" style="width:130px; margin-left:12px;" href="https://poddery.com/users/sign_in">LOGIN</a>