diff --git a/cmd/lotus-fountain/site/main.css b/cmd/lotus-fountain/site/main.css
index e2670d123..a1d3070c2 100644
--- a/cmd/lotus-fountain/site/main.css
+++ b/cmd/lotus-fountain/site/main.css
@@ -66,7 +66,7 @@ button {
 }
 
 button:hover {
-    background-color: #555;
+    background-color: #4c7eff;
 }
 
 a:link {