style: 增加样式不显示组件轮廓

Author: shenzhiqing

website/src/index.css

@@ -1,9 +1,14 @@
 body {
   font-size: 14px;
   font-family: 'Segoe UI Emoji';
-  font-family: 'Segoe UI Emoji', -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji;
+  font-family: 'Segoe UI Emoji', -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif,
+    Apple Color Emoji, Segoe UI Emoji;
+}
+
+* {
+  outline: none;
 }
 
 a {
   text-decoration: none;
-}
+}