diff --git a/frontend/styles/global.css b/frontend/styles/global.css
index 6011a2e..f14a864 100644
--- a/frontend/styles/global.css
+++ b/frontend/styles/global.css
@@ -52,6 +52,7 @@ hr {
 
 code[class*="language-"],
 pre[class*="language-"] {
+  filter: contrast(1.4);
   text-shadow: none;
   color: var(--gray-200);
   background: var(--gray-700);