Universal
Ubiquitous, Omnipresent
な adjective
Something normal and universal is still universal. Normally.
ふへん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
普遍的なテーマは、多くの人に受け入れられやすい。
Universal themes are easily accepted by many people.