UX: don't strip the background for indented code

UX: don’t strip the background for indented code

diff --git a/common/common.scss b/common/common.scss
index 9a3f357..bb4a768 100644
--- a/common/common.scss
+++ b/common/common.scss
@@ -70,8 +70,7 @@ pre > code {
 }
 
 .hljs-deletion,
-.hljs-addition,
-pre > code {
+.hljs-addition {
   background: initial;
 }
 

GitHub sha: de51579001ea852653334fcf6c94d25a407991d2