Why it does not work it says wrong. To translate word..

Answer 1

Where is the code in your question? How do we know what's not working ,be specific about what you are asking,

Answer 2

Please show your code here so that we can help you
https://www.sololearn.com/post/75089/?ref=app

Answer 3

maybe your device and/or browser is a little outdated and you must vendors prefix some properties ;)

https://autoprefixer.github.io