[![Build status](https://travis-ci.org/PolymerElements/paper-progress.svg?branch=master)](https://travis-ci.org/PolymerElements/paper-progress) ##<paper-progress> Material design: [Progress & activity](https://www.google.com/design/spec/components/progress-activity.html) ```html ``` The progress bars are for situations where the percentage completed can be determined. They give users a quick sense of how much longer an operation will take. There is also a secondary progress which is useful for displaying intermediate progress, such as the buffer level during a streaming playback progress bar.