remove unnecessary style

@@ -3,12 +3,8 @@ import reset from "styled-reset";
 
 export default createGlobalStyle`
     ${reset}
-    * {
-       box-sizing: border-box; 
-    }
-    html, body {
-        overflow: hidden;
-        height: 100vh;
+    li {
+        list-style: none;
     }
     a {
         text-decoration:none;
@@ -16,9 +12,4 @@ export default createGlobalStyle`
     input:focus {
         outline:none;
     }
-    #root {
-        height: 100%;
-        display:flex;
-        flex-direction: row;
-    }
 `;