my styling option not in specified features

[ornellaselenah]

Hi, trust you are doing well. I am looking to change the radius of my bubble. but it is not working.

I have both bubbles for user and bot set to 50 however. i want the border-top-left-radius and border-top-right-radius to be zero

[OEvgeny]

Here you go: https://stackblitz.com/edit/sb1-mdahdv?file=index.html

Please note while it is possible, it's not officially supported.