Annoying bug on mobile

Hello great Victor! Position Fixed left, Layout option default, Position fixed layout Square.
If i add facebook, google plus or email or linkedin etc from social network available and look into mobile sometime not always when scroll the page..refresh or open new page on mobile you can see this horrible display bug here you canf find screenshot:

1) https://www.dropbox.com/s/kqoi140fw2d0civ/IMG_3331.PNG?dl=0
2) https://www.dropbox.com/s/i2gvw4c8qiom0ws/IMG_3332.PNG?dl=0

Tested on iphone 8, 7 and 6 plus
We can solve this? I will give you some donation, thank you!