diff --git a/assets/css/_core/_base.scss b/assets/css/_core/_base.scss
index a4a8de7f..f132a3b8 100644
--- a/assets/css/_core/_base.scss
+++ b/assets/css/_core/_base.scss
@@ -1,3 +1,5 @@
+@import "../../lib/normalize/normalize";
+
 html {
   font-family: $global-font-family;
   font-weight: $global-font-weight;
@@ -56,13 +58,23 @@ img {
 }
 
 iframe {
+  border: 0;
   @include border-radius($global-border-radius);
 }
 
-[role=button] {
+[role='button'] {
   cursor: pointer;
 }
 
+summary {
+  cursor: pointer;
+}
+
+abbr[title] {
+  cursor: help;
+  text-decoration-skip-ink: none;
+}
+
 @include ms;
 @include link(true, true);
 
diff --git a/assets/css/style.scss b/assets/css/style.scss
index 1aa13aac..10c399e0 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -3,11 +3,10 @@
 @import "_variables";
 @import "_override";
 @import "_mixin/index";
-@import "../lib/normalize/normalize";
 @import "_core/root";
-@import "_core/common";
 @import "_core/base";
 @import "_core/layout";
+@import "_core/common";
 @import "_page";
 @import "_partials/header";
 @import "_partials/footer";