body {
  font-family: Arial, sans-serif;
  margin: 20px;
}
button {
  margin: 3px;
  padding: 5px;
}
#cart, #manageProducts {
  margin-top: 20px;
  padding: 10px;
  border: 1px solid #ccc;
}
#cartList, #productList {
  list-style: none;
  padding: 0;
}

body { font-family: Arial,sans-serif; margin:20px; }
button { margin:3px; padding:5px; }
#cart, #manageProducts { margin-top:20px; padding:10px; border:1px solid #ccc; }
#cartList, #productList { list-style:none; padding:0; }
input { margin:2px; }