Dimitrios Papakonstantinou

is W3Schools certified and has successfully passed the following exams:

Exam	Date
CSS *	May 3, 2020
CSS	May 3, 2020
HTML *	May 2, 2020
BOOTSTRAP	November 4, 2019
CSS	June 20, 2019
HTML	June 20, 2019

* The candidate has passed the exam with Excellence.

To read more, please visit W3Schools' online certification program.