To run this, do the following:
- Create a Replit account using the following website (https://replit.com).
- Once you are logged in, you should see your account homepage. Click on 'Create +'.
- Choose 'HTML, CSS, JS' template.
- Copy this source code into the corresponding sections, or fork the following Replit (https://replit.com/@MaryamTaj04/CSS1-2022-Day-2-Flexbox-Fun#style.css).