Frontend Mentor - Testimonials grid section solution

you should have always a main landmark element included in your html

NEVER skip the headings order in html, there should be first an h1 before you using an h2

use a css reset, look on Andy's Bell website for a good and clear one

never use px for font-size but rem https://fedmentor.dev/posts/font-size-px/

your font-family should be inculde in the html, like the design says

dont use ID in css, bcs is has a high specificity, use classes