diff --git a/static/css/theme-neon.css b/static/css/theme-neon.css
index 6b59199f2b..06ebc10159 100644
--- a/static/css/theme-neon.css
+++ b/static/css/theme-neon.css
@@ -238,7 +238,7 @@ body div.box > .box-label {
         0 0  4px var(--VARIABLE-BOX-CAPTION-color);
 }
 
-body .tab-panel.cstyle:not(.transparent),
+body .tab-panel-cstyle:not(.transparent),
 body .badge.cstyle:not(.transparent),
 body .btn.cstyle {
     --VARIABLE-BOX-TEXT-color: var(--VARIABLE-BOX-CAPTION-color);