diff --git a/style.css b/style.css
index 904a97b..e6d208b 100644
--- a/style.css
+++ b/style.css
@@ -2,7 +2,7 @@
 h1, h2, h3 { margin-bottom: 0.5rem; }
 h2 { border-bottom: 1px solid gray; margin-bottom: 0.5rem; }
 hr { border: none; border-top: 1px solid gray; }
-:focus { color: blue; }
+button:focus { color: blue; }
 
 .alert { margin-left: 0; padding-left: 1rem; border-left: 3px solid black; }
 .alert.success { border-color: lime; }