diff --git a/gitlab-pages/website/static/css/custom.css b/gitlab-pages/website/static/css/custom.css
index b753ec486..db72d3906 100644
--- a/gitlab-pages/website/static/css/custom.css
+++ b/gitlab-pages/website/static/css/custom.css
@@ -939,3 +939,18 @@ a:hover {
     width: 15em;
   }
 }
+
+
+/* ReasonLIGO specific syntax highlighting */
+.language-reasonligo .hljs-operator {
+  color: #a626a4;
+}
+.language-reasonligo .hljs-character {
+  color: #50a14f;
+}
+.language-reasonligo .hljs-module-identifier {
+  color: #4078f2;
+}
+.language-reasonligo .hljs-constructor {
+  color: #e45649;
+}
\ No newline at end of file