IE8

wp-content/themes/gf2013/sass/app.scss

@@ -285,6 +285,9 @@ body,html {
     }
     #nav-wrapper {
         width: 240px;
+        li.current_page_item a:before {
+            right: 170px;
+        }
     } 
     #page {
         width: 910px;

wp-content/themes/gf2013/stylesheets/app.css

@@ -4904,6 +4904,9 @@ html blockquote p {
 .lt-ie9 #nav-wrapper {
   width: 240px;
 }
+.lt-ie9 #nav-wrapper li.current_page_item a:before {
+  right: 170px;
+}
 .lt-ie9 #page {
   width: 910px;
 }