How to center align button in Semantic UI React?

Would be nice if you could share what you tried to do.

One solution might be:

<Segment>
  <Label ribbon color="blue" size="large">Support</Label>
  <Grid>
    <Grid.Column textAlign="center">
      <Button>contact us</Button>
    </Grid.Column>
  </Grid>
</Segment>

You can see it working here: https://codesandbox.io/s/z2pkv0ro43

This one worked for me, without using Grid

<Segment>
    <Label ribbon color="blue" size="large">Support</Label>
    <Segment basic textAlign={"center"}>
        <Button style={{textAlign: "center"}}>contact us</Button>
    </Segment>
</Segment>