CSS : How to make bundle.css and bundle.js files

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to share a hidden feature with you, and here it is.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Then, type the letters 'awesome' on your keyboard as the next step.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

Allow me to introduce myself briefly,
Greetings, my name is Delphi.
I can be of service in providing you with answers to your inquiries.
If you have specific questions that need answers, please don't hesitate to comment or chat with me.
If you have an answer or any additional information on the answer, please leave a comment below.
Providing an answer will be acknowledged and appreciated with a 'heart' from me.