Why isn't the synthx working

Question

I want t the <h1> to have a black background with white text, what is wrong?

https://code.sololearn.com/WklvqvsPl15N/?ref=app

Answer 1

Select the table’s text with font in css because your test is written as font in html

font {
font-size : 20pt
}
then the text is bigger

Answer 2

Axel Salenbier thanks