fixing an example as updating the page

Author: rachelandrew

overscroll-behavior/style.css

@@ -6,9 +6,6 @@
 
 html {
   font-family: sans-serif;
-}
-
-body {
   margin: 0;
   /* Use overscroll-behavior to stop the "bounce" or refresh effect you get on mobile
   browsers when getting to the top or bottom scroll limits of the page */