UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36

Steps to reproduce the problem:
1. create a css class with display style 'flex'
2. add a fieldset component and a in it 2 div components with some buttons.
3. copy the fieldset with its children and change fieldset to div, to see if the div component behaves the same.

What is the expected behavior?
fieldset and div components handles display flex the same.

What went wrong?
the buttons do not horizontaly line up.

Did this work before? No 

Does this work in other browsers? Yes

Chrome version: 70.0.3538.110  Channel: n/a
OS Version: 10.0
Flash Version: 

I have a working pen that can illustratie the problem. Firefox does work.
https://codepen.io/bitSOCIAL/pen/XyLmWN
 

Deleted: Display flex not working with fieldset on chromium based browsers.txt 861 bytes

Display flex not working with fieldset on chromium based browsers.txt 861 bytes View Download