From 0bb647b6f66af19901d17d6ecf70314fb50bd902 Mon Sep 17 00:00:00 2001
From: Itiel <itiel_yn8@walla.com>
Date: Wed, 24 Feb 2021 08:38:15 +0000
Subject: [PATCH] Bug 1692773 - Fix about:certificate tabs' outline when
 focused r=johannh

Differential Revision: https://phabricator.services.mozilla.com/D105223
---
 .../certviewer/content/components/certificate-section.css     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/toolkit/components/certviewer/content/components/certificate-section.css b/toolkit/components/certviewer/content/components/certificate-section.css
index c48735e9f1d8..5dbd7a3ade5c 100644
--- a/toolkit/components/certviewer/content/components/certificate-section.css
+++ b/toolkit/components/certviewer/content/components/certificate-section.css
@@ -55,6 +55,10 @@ h1 {
   border-top-left-radius: 4px;
 }
 
+.certificate-tab:focus-visible {
+  z-index: 1;
+}
+
 .tab:hover {
   border-bottom-color: var(--in-content-border-active-shadow);
 }