Custom Css add dons't Reflecting on live website in frontend

Hi buddies,
I add custom css color change code add using FTP but it dons’t reflecting on my live website in frontend.
Please any one can help out with this.
I am new in Pimcore.

It may help to empty the “All Caches (Symfony + Data)” cache.

Hi @richard
I try this but it dons’t work dude.