Copy and tweak components from getbootstrap.com.
If you are looking at an example from https://getbootstrap.com/docs/5.1/examples/, you can use the inspector (right mouse click to open this panel up) and then select the section you want in the "Elements" tab. Then go to copy, and copy element to quickly add to your project.
To push changes to the website, remember this sequence:
To see changes from teammates:
To customize elements, use the style.css file located in assets/css.