Login/Register to keep track of your score.
Select the filter value that will transform the left element into the right one
P.S: The green/red borders aren’t part of the filtered area
![](https://css-challenges.com/wp-content/uploads/2020/07/f20.png)
#1 f20
![](https://css-challenges.com/wp-content/uploads/2020/07/f9.png)
#2 f9
![](https://css-challenges.com/wp-content/uploads/2020/07/f17.png)
#3 f17
![](https://css-challenges.com/wp-content/uploads/2020/07/f3.png)
#4 f31
![](https://css-challenges.com/wp-content/uploads/2020/07/f4.png)
#5 f4
![](https://css-challenges.com/wp-content/uploads/2020/07/f11.png)
#6 f11
![](https://css-challenges.com/wp-content/uploads/2020/07/f18.png)
#7 f18
![](https://css-challenges.com/wp-content/uploads/2020/07/f10.png)
#8 f10
![](https://css-challenges.com/wp-content/uploads/2020/07/f12.png)
#9 f12
![](https://css-challenges.com/wp-content/uploads/2020/07/f14.png)
#10 f14
![](https://css-challenges.com/wp-content/uploads/2020/07/f3.png)
#11 f3
![](https://css-challenges.com/wp-content/uploads/2020/07/f8.png)
#12 f8
![](https://css-challenges.com/wp-content/uploads/2020/07/f16.png)
#13 f16
![](https://css-challenges.com/wp-content/uploads/2020/07/f1.png)
#14 f1
![](https://css-challenges.com/wp-content/uploads/2020/07/f3.png)
#15 f32
Your Result
-
I am sure you will do better next time