render (h, { props, slots, data, ...rest }) {
    return h(CBox, {
      ...rest,
      attrs: {
        pos: 'relative',
        height: progressbarSizes[props.size || 'md'],
        overflow: 'hidden',
        w: '100%',
        'data-chakra-component': 'CProgressTrack',
        ...data.attrs
      }
    }, slots().default)
  }
CProgressTrack component

The track for the progress component

@extends CBox
@see Docs https://vue.chakra-ui.com/progress