Bootstrap

Bootstrap is one of the frameworks for Responsive Web Design (RWD)

Bootstrap uses grid system to adapt to different devices. We need to include Bootstrap within the head section. We should use the latest version. Go check the instruction on Bootstrap

We need to include the meta tags, the css link, the js script, and use div with class being container and row.

We could minimize the window to compare the two ways of display as below. And we could use Inspect of the page to check the responsive display on different devices.

This is the first piece of RWD content.

This is the second piece of RWD content.

This is the third piece of RWD content.

This is the first table cell.

This is the second table cell.

This is the third table cell.