iOS on the Chrome browser the cursor does not hover in the correct place before data is entered

[e-rasvet]

iOS on the Chrome browser the cursor does not hover in the correct place before data is entered.
https://yadi.sk/i/wjAteSM33QY9Jp

On video (1m20s):

https://vimeo.com/246928397#t=1m20s

And I've no this bug with Android chrome or PC.

[dioslaska]

This is actually a webkit bug, introduced in iOS 11: https://bugs.webkit.org/show_bug.cgi?id=176896
It happens, when the input field is inside a container with position: fixed;