Why is filter is not working on sololearn?

Question

https://code.sololearn.com/W2T4rFZecSr5/?ref=app

Answer 1

I guess you have to use this :

if you want to apply blur as drop goes higher then use this :

filter: blur(0px);
-webkit-filter: blur(0px);

In from part of animation definition of Drop

else :
Edit : oh yes. As Biraj mentioned if you want the blur effect before animation starts you have to add blur in element too.