1 files changed, 4 insertions, 0 deletions
diff --git a/app/assets/stylesheets/highlight/themes/solarized-light.scss b/app/assets/stylesheets/highlight/themes/solarized-light.scss
index 8d223d1fdb1..33945f7cda9 100644
--- a/app/assets/stylesheets/highlight/themes/solarized-light.scss
+++ b/app/assets/stylesheets/highlight/themes/solarized-light.scss
@@ -156,6 +156,10 @@ $solarized-light-il: #2aa198;
       @include match-line;
     }
 
+    &.diff-grid-row {
+      --diff-expansion-background-color: #{$gray-100};
+    }
+
     &.diff-grid-row.expansion .diff-td {
       background-color: $solarized-light-matchline-bg;
     }