My images overflow

Question

Hello,

I have a problem for my images: they're overflow and I don't know how can I do...
I tryed "overflow:hidden" but nothing has change.

Can U help me please.?

thank you.

My code here: https://code.sololearn.com/WwLLRqgCTP3V

Answer 1

Try this

li {
background-size: cover;
}

Answer 2

Thank you @Calvin :)