untitled

<Grid columnTemplate='1fr 3fr 1fr' rowTemplate='1fr 3fr 1fr' borderless>
  <GridItem col={1} row={1}>
    <Theme theme={$theme} override={{ backgroundColorAlt: '#F00', color: '#000' }}>
      <Card grow>Hey</Card>
    </Theme>
  </GridItem>
  <GridItem col={2} row={1}>
    <Theme theme={$theme} override={{ backgroundColorAlt: '#FF3D00', color: '#000' }}>
      <Card>Hey</Card>
    </Theme>
  </GridItem>
  ...
</Grid>