It is Very Easy to Customize and it uses in your website apllication.
Use the border spinners for a lightweight loading indicator..
If you don’t fancy a border spinner, switch to the grow spinner. While it doesn’t technically spin, it does repeatedly grow!
If you don’t fancy a border spinner, switch to the grow spinner. While it doesn’t technically spin, it does repeatedly grow!
Use flexbox utilities or text alignment utilities to place spinners exactly where you need them in any situation.
Add .spinner-border-sm and .spinner-grow-sm to make a smaller spinner that can quickly be used within other components.
Use spinners within buttons to indicate an action is currently processing or taking place. You may also swap the text out of the spinner element and utilize button text as needed..