Wrap any embed like an <iframe> in a parent element with .embed-responsive and an aspect ratio. The .embed-responsive-item isn’t strictly required, but we encourage it.

Progress components are built with two HTML elements, some CSS to set the width, and a few attributes.

Progress components are built with two HTML elements, some CSS to set the width, and a few attributes.

Progress components are built with two HTML elements, some CSS to set the width, and a few attributes.