HTML : Three column layout: fixed width center with fluid side columns

HTML : Three column layout: fixed width center with fluid side columns
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
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 the keyboard.
Your YouTube progress bar will transform into a flashing rainbow.

A brief introduction of myself,
Good day, I am Delphi.
I am willing to help you find the solutions to your questions.
HTML : Three column layout: fixed width center with fluid side columns
If you have specific questions, please feel free to comment or chat with me to discuss them.
Your input is appreciated, so please leave a comment below with your answer or insights to the answer.
I will express my appreciation for your answer by 'hearting' it.
HTML with fluid layout: Three side columns : column center width fixed