404 Not Found is a beginner level challenge that involves following a wireframe provided on Figma, and creating a simple static error page. It also involves creating a responsive mobile version of the same page.

The steps taken were the following:

• Download the challenge files
• Open Figma and study the wireframe
• Set up the HTML skeleton
• Define the CSS rules according to the Figma wireframe
• Test the website
• Push the code to GitHub
• Deploy the website with Netlify.

Here's the link if you want to take a look: 404 Not Found