去掉对于非div、input、a等元素的处理

src/less/core/normalize2.less

@@ -1,20 +1,5 @@
 @import "../index";
 
-html,
-body,
-div,
-ul,
-ol,
-li,
-img,
-a,
-span,
-p,
-* {
-  margin: 0;
-  padding: 0;
-}
-
 a {
   outline: none;
   text-decoration: none;
@@ -48,14 +33,6 @@ textarea {
   outline: none;
 }
 
-ul {
-  list-style: disc;
-}
-
-li {
-  list-style-type: none;
-}
-
 i {
   //font-style: normal;
   -webkit-font-smoothing: antialiased;