/**普通指针样式**/
body  {
  cursor: url(https://cdn.jsdelivr.net/gh/belial-beast/blogtc/img/pointer.cur),
  default;
}
/**链接指针样式**/
a:hover {
  cursor: url(https://cdn.jsdelivr.net/gh/belial-beast/blogtc/img/link.cur),
  pointer;
}