diff --git a/src/css/custom.css b/src/css/custom.css
index 86277d8..1bfda14 100644
--- a/src/css/custom.css
+++ b/src/css/custom.css
@@ -23,6 +23,10 @@
   }
 }
 
+.alert--secondary {
+  --ifm-alert-background-color: var(--ifm-color-secondary-lightest);
+}
+
 .docusaurus-highlight-code-line {
   background-color: rgb(72, 77, 91);
   display: block;