Prev" class="btn btn-danger btn-lg border-dark my-2" data-bs-toggle="tooltip" data-bs-placement="top" title="Free web software to create help documentation"> Prev " class="btn btn-danger btn-lg border-dark my-2" data-bs-toggle="tooltip" data-bs-placement="top" title="FancyBox 3 how to block caption hide after some time">Next
Explain under Bootstrap
Bootstrap is a free and open-source front-end framework for developing websites and web applications. It contains HTML- and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.
