Fix css class syntax (double "")

- not sure why those were there, didn't break css though
- but now is correct syntastically

go/go/templates/public_landing.html

@@ -96,11 +96,11 @@ SRCT Go • Welcome
 <!-- carefully formatted login and signup buttons  -->
 <!-- https://files.slack.com/files-pri/T025B796J-F0KPTCTD3/spin-dhaynes-buttons.gif -->
 <div class="fix row">
-    <div class="col-md-offset-1 col-md-4" "col-md-offset-2 col-md-4">
+    <div class="col-md-offset-1 col-md-4">
         <a href="{% url 'go_login' %}" class="btn btn-primary btn-block">Log In</a>
     </div>
 
-    <div class="col-md-offset-1 col-md-4 col-md-offset-2 col-md-4">
+    <div class="col-md-offset-1 col-md-4">
         <a href="{% url 'signup' %}" class="btn btn-primary btn-block">Sign Up</a>
     </div>
 </div>