diff --git a/src/judas_server/web/static/css/style.css b/src/judas_server/web/static/css/style.css
index 25d4811..f9f065c 100644
--- a/src/judas_server/web/static/css/style.css
+++ b/src/judas_server/web/static/css/style.css
@@ -95,6 +95,10 @@ header a {
   cursor: pointer;
 }
 
+.button:active {
+  background-color: var(--ctp-sapphire);
+}
+
 .center {
   text-align: center;
 }