diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 770bdaac..7d73b784 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -54,7 +54,7 @@
 
 {{- /* include `an-old-hope` if hljs is on */}}
 {{- $isHLJSdisabled := (site.Params.assets.disableHLJS | default false) }}
-{{- $hljs := (cond ($isHLJSdisabled) (" " | resources.FromString "assets/css/hljs-blank.css") (resources.Get "css/hljs/an-old-hope.min.css")) }}
+{{- $hljs := (cond ($isHLJSdisabled) (".chroma { background-color: unset !important;}" | resources.FromString "assets/css/hljs-blank.css") (resources.Get "css/hljs/an-old-hope.min.css")) }}
 
 {{- /* order is important */}}
 {{- $core := (slice $theme_vars $reset $common $hljs $includes_all $media) | resources.Concat "assets/css/core.css" | resources.Minify }}