CSS Filters Opacity & Brighteness - correct functions

Question

What functions should be used in this task .very_bright {
:
(150%);
border-
: 50%;
}

Answer 1

https://www.sololearn.com/Play/CSS

Answer 2

I do not know how to do one task - CSS Filters - Opacity & Brighteness - Task 2/4. Could someone of You help me, please?

Answer 3

https://developer.mozilla.org/en-US/docs/Web/CSS/filter
Try to learn from here 👆👆

Answer 4

https://code.sololearn.com/W2g5GgUbDOYJ/?ref=app

Answer 5

https://code.sololearn.com/W2g5GgUbDOYJ/?ref=app

Answer 6

filter:brightness(150%)
radius: 50%