<reno-progress></reno-progress>
<reno-progress progress="percentage_number_here"></reno-progress>
<reno-progress progress="reverse-pending"></reno-progress>
(then change progress to any number to indicate a determinate progress)
<div class="reno-progress"><div class="pending"></div></div>
<div class="reno-progress"><div class="reverse-pending"></div></div>