diff --git a/css/search-engine-settings.css b/css/search-engine-settings.css
index 59b6f47..9f9b772 100644
--- a/css/search-engine-settings.css
+++ b/css/search-engine-settings.css
@@ -102,14 +102,17 @@ select::-ms-expand {
 }
 
 #searchEngineAsDefault:hover {
+	outline: none;
 	background: var(--base-hover-bg);
 }
 
 #searchEngineAsDefault:active {
+	outline: none;
 	background: var(--base-active-bg);
 }
 
 #searchEngineAsDefault:focus {
+	outline: none;
 	background: var(--base-focus-bg);
 }