remove body css to index.html

index.html

@@ -9,6 +9,14 @@
         font-family: Helvetica Neue,Helvetica,Arial,sans-serif;
         font-size: 16px;
       }
+      body {
+        margin: 0;
+        padding: 0;
+      }
+
+      * {
+        box-sizing: border-box;
+      }
     </style>
   </head>
   <body>

src/index.css

@@ -1,8 +0,0 @@
-body {
-  margin: 0;
-  padding: 0;
-}
-
-* {
-  box-sizing: border-box;
-}