From bd6f87ed82519fb0d2e0c6877fbbe7c7fa155376 Mon Sep 17 00:00:00 2001
From: Damyon Wiese <damyon@moodle.com>
Date: Wed, 16 Aug 2017 15:53:40 +0800
Subject: [PATCH] MDL-59809 boost: Don't allow z-index on pagination

This causes parts of the pagination bar to show through overlays and modals.
---
 theme/boost/scss/moodle/undo.scss | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/theme/boost/scss/moodle/undo.scss b/theme/boost/scss/moodle/undo.scss
index 982e6bff12b..aea2dc89c7a 100644
--- a/theme/boost/scss/moodle/undo.scss
+++ b/theme/boost/scss/moodle/undo.scss
@@ -138,3 +138,12 @@ ol {
     max-height: calc(100vh - #{$navbar-height});
     overflow-y: auto;
 }
+
+// Dont allow z-index creep anywhere.
+.page-item {
+  &.active .page-link {
+    @include plain-hover-focus {
+      z-index: inherit;
+    }
+  }
+}