[](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.