From: Mark Otto <markdotto@gmail.com>
Date: Sun, 18 Jun 2017 05:29:54 +0000 (-0700)
Subject: follow up to 4bab8b890e5337cda3a3221462ab40a84d96c3b4 to avoid the max-height if... 
X-Git-Tag: v4.0.0-beta~128
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1d07a8e7ca1c1d6914646423a9ffcec6adb6a35;p=thirdparty%2Fbootstrap.git

follow up to 4bab8b890e5337cda3a3221462ab40a84d96c3b4 to avoid the max-height if there's no sticky
---

diff --git a/assets/scss/_sidebar.scss b/assets/scss/_sidebar.scss
index b8f311f209..ebcc23c449 100644
--- a/assets/scss/_sidebar.scss
+++ b/assets/scss/_sidebar.scss
@@ -76,8 +76,10 @@
   margin-left: -15px;
 
   @include media-breakpoint-up(md) {
-    max-height: calc(100vh - 9rem);
-    overflow-y: auto;
+    @supports (position: sticky) {
+      max-height: calc(100vh - 9rem);
+      overflow-y: auto;
+    }
   }
 
   // Override collapse behaviors