HTML : Add custom button to gmail inbox with chrome extension

HTML : Add custom button to gmail inbox with chrome extension
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to reveal a secret feature to you, and now it's time to share it.
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.

Here's a short introduction about myself,
Hey, I'm known as Delphi.
Let me help you get the answers you need to your questions.
HTML : Add custom button to gmail inbox with chrome extension
If you have more specific query you can comment or chat with me and let me know your queries.
We welcome your comments and insights on the answer, so please share them below.
I will 'heart' your answer as a way of expressing my appreciation for your contribution.
Add inbox with extension custom HTML : to gmail button chrome