Technical documentation page tests fail

My technical documentation project keeps failing tests 4 and 13 even though I checked the code many times. It would help if someone would look at my code and maybe find a problem.

Link: https://codepen.io/cheatcodes/pen/XWjYORr

Welcome to the forum!!

     <section class="main-section">
            <header id="Introduction">Introduction</header>

check this code! the id is missing its place :slightly_smiling_face:

1 Like

Fixing that worked, thank you so much <3