HTML : php tidy strange behaviour

HTML : php tidy strange behaviour
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As I promised, I have a secret feature to share with you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
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,
Howdy, my name's Delphi.
Let me help you with your questions.
HTML : php tidy strange behaviour
If you need more specific answers, please leave a comment or start a chat with me.
If you have additional information or an answer to contribute, please feel free to comment below.
Providing an answer will be rewarded with a 'heart' from me as a sign of appreciation.
tidy behaviour HTML strange : php