Dimitrios Papakonstantinou

is W3Schools certified and has successfully passed the following exams:

Exam Date
CSS *May 3, 2020
CSSMay 3, 2020
HTML *May 2, 2020
BOOTSTRAPNovember 4, 2019
CSSJune 20, 2019
HTMLJune 20, 2019

* The candidate has passed the exam with Excellence.

To read more, please visit W3Schools' Online Certification Program.