What is flex ?

Answer 1

https://code.sololearn.com/Wqwc2gEQ7sR7/?ref=app

Answer 2

it is a display property of any element.. it is quite good to use in CSS

Answer 3

Now go through some properties of flex and make changes to it.. but keep in mind before applying flex to the child element you have to make the parent as display:flex;
https://code.sololearn.com/WgG8ZyjRm20l/?ref=app

Answer 4

oh sorry.. i forgot that