CSS: font-size (px, em or rem )

[thesheild]

hi
i use wordpress cms, my theme uses px, i prefer to use rem.

Can i change my font-size css from px to rem without problems??

Thank you

[Angemon]

hi
i use wordpress cms, my theme uses px, i prefer to use rem.

Can i change my font-size css from px to rem without problems??

Thank you
I think it will work

[thesheild]

ok thanks you