diff --git a/_shared_assets/static/custom.css b/_shared_assets/static/custom.css
index 4e09c9a68..d35d1e2c6 100644
--- a/_shared_assets/static/custom.css
+++ b/_shared_assets/static/custom.css
@@ -37,4 +37,10 @@
 }
 .rst-versions .rst-current-version .fa-caret-down {
 	margin-left: 5px;
+}
+
+/* Code blocks */
+.highlight {
+	/* nc blue */
+	background: rgba(0, 130, 201, 0.1)
 }
\ No newline at end of file