相关疑难解决方法(0)

我不知道如何在材料ui中居中放置按钮。这是我的代码：

function BigCard(props) {
    const { classes } = props;
    return (
    <div>
        <Card className={classes.card}>
        <CardContent>
            <Typography variant="display1" className={classes.title}>
            Start Funding!
            </Typography>
        </CardContent>
        <CardActions >
            <Button size="small" color="primary" className={classes.actions}>
            Share
            </Button>
            <Button size="small" color="primary">
            Learn More
            </Button>
        </CardActions>
      </Card>
    </div>
  );

如何将按钮居中？