How do I ensure the circles do not cross the black border?

Question

https://code.sololearn.com/W91abG362mN3/?ref=app

Answer 1

You can do that with the clip property.
Add this to your .circle-1 class

clip: rect(0px,100px,200px,0px);

Answer 2

Thank you Chris Coder it worked

Answer 3

Chris Coder let me try that