The effect should hold in this area and start http://server2.techsquare.com.hk/nuu/wp-content/uploads/2022/04/1-1.png
But over orange area the effect is not start http://server2.techsquare.com.hk/nuu/wp-content/uploads/2022/04/2.png
After over the orange area around 50px the effect is start http://server2.techsquare.com.hk/nuu/wp-content/uploads/2022/04/3.png
http://server2.techsquare.com.hk/nuu/wp-content/uploads/2022/04/screen-recording.webm
