a:hover {
        cursor:url(https://files.cnblogs.com/files/laoguantongxiegogo/click_24px_1231393_easyicon.net.ico),auto;
 }
body {
        cursor:url(https://files.cnblogs.com/files/laoguantongxiegogo/pointer_24px_1231389_easyicon.net.ico),auto;
 }