CSS : How to use buttons with only glyphicons in twitter bootstrap

CSS : How to use buttons with only glyphicons in twitter bootstrap
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As promised, I have a hidden feature that I want to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
After that, type the word 'awesome' on your keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A little intro about me,
Hi, my name is Delphi, nice to meet you.
Allow me to support you in answering your questions.
CSS : How to use buttons with only glyphicons in twitter bootstrap
If you need more specific answers, please reach out to me through comments or chat.
If you have additional information or an answer to share, please comment below.
Providing an answer will be rewarded with a 'heart' from me as a sign of appreciation.
bootstrap : in twitter buttons use How only to CSS with glyphicons