Current version: What’s new in Bootstrap Version 4.3 Responsive font sizes automatically calculate the appropriate font size based on dimensions of the browser viewport or a visitor’s device.

Have you ever wondered why Bootstrap, the popular JavaScript framework designed to create responsive web pages, uses a 12-column grid system? After all, the entire civilized world uses the metric ...

[Click on image for larger view.] Figure 4. A Non-Stylized Version of the Template Site The Bootstrap Grid One of the most critical things to understand with Bootstrap is the included grid system.