This component creates an animated countdown with almost all of the work done in pure HTML/CSS
First, make sure you have the Polymer CLI and npm (packaged with Node.js) installed.
npm install polymer-countdown-css
## Usage
There are two ways to call this component and made it work
<countdown-css totalSeconds="30"></countdown-css>
<countdown-css dateend="Thu Aug 23 2018 22:24:30 GMT+0100 (British Summer Time)"></countdown-css>
$ polymer serve