From 0c2292b9aa609bcab55633a3445496d4d19928d1 Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Wed, 12 Jun 2019 07:59:55 -0700
Subject: [PATCH] Update css to support diff syntax highlighting. (#943)

This adds the rules to highlight diff lines with highlight.js.
---
 src/theme/ayu-highlight.css  |  8 ++++++++
 src/theme/highlight.css      | 10 ++++++++++
 src/theme/tomorrow-night.css |  8 ++++++++
 3 files changed, 26 insertions(+)

diff --git a/src/theme/ayu-highlight.css b/src/theme/ayu-highlight.css
index 786063fc..128e0166 100644
--- a/src/theme/ayu-highlight.css
+++ b/src/theme/ayu-highlight.css
@@ -69,3 +69,11 @@ Original by Dempfi (https://github.com/dempfi/ayu)
 .hljs-strong {
   font-weight: bold;
 }
+
+.hljs-addition {
+  color: #91b362;
+}
+
+.hljs-deletion {
+  color: #d96c75;
+}
diff --git a/src/theme/highlight.css b/src/theme/highlight.css
index c667e3a0..ab8c49c6 100644
--- a/src/theme/highlight.css
+++ b/src/theme/highlight.css
@@ -67,3 +67,13 @@
 .hljs-strong {
   font-weight: bold;
 }
+
+.hljs-addition {
+  color: #22863a;
+  background-color: #f0fff4;
+}
+
+.hljs-deletion {
+  color: #b31d28;
+  background-color: #ffeef0;
+}
diff --git a/src/theme/tomorrow-night.css b/src/theme/tomorrow-night.css
index 9788e084..f7197925 100644
--- a/src/theme/tomorrow-night.css
+++ b/src/theme/tomorrow-night.css
@@ -94,3 +94,11 @@
 .xml .hljs-cdata {
   opacity: 0.5;
 }
+
+.hljs-addition {
+  color: #718c00;
+}
+
+.hljs-deletion {
+  color: #c82829;
+}