Merge pull request #1916 from Gwangtori/dev

다크모드에서 가려진 토론 배경 색 추가

views/main_css/css/sub/dark.css

@@ -40,6 +40,10 @@ input::placeholder, textarea::placeholder, select::placeholder {
     background: #314c56;
 }
 
+.opennamu_comment_blind_admin {
+    background: #2f2f2f;
+}
+
 #main_table_top_tr {
     background: #2e5f4e;
 }
@@ -68,4 +72,4 @@ blockquote {
 
 #topic_color {
     background: #325a56;
-}
+}