<div class="mdc-linear-progress__buffering-dots"></div>
<div class="mdc-linear-progress__buffer" style={{bufferStyles}}></div>
<div class="mdc-linear-progress__bar mdc-linear-progress__primary-bar" style={{primaryBarStyles}}>
  <span class="mdc-linear-progress__bar-inner"></span>
</div>
<div class="mdc-linear-progress__bar mdc-linear-progress__secondary-bar">
  <span class="mdc-linear-progress__bar-inner"></span>
</div>
