Use class .progress-bar-{color-name}. to choose color of your choice

Uses a gradient to create a striped effect, add .progress-bar-striped with .progress-bar class.

To get progressbar with animated effect, add .progress-bar-animated with .progress-bar class.

For Default progress, No size class needed. you can use class .progress-{sm|md|lg|xl} with .progress to change size of your progress bar.