[Meterial UI] Stack , Button

import Stack from "@mui/material/Stack";
import Button from "@mui/material/Button";

    <Box sx={{ display: "flex" }}>
      <Stack spacing={2} direction="column">
        <Button variant="text">Text</Button>
        <Button variant="contained">Contained</Button>
        <Button variant="outlined">Outlined</Button>
        <Button variant="contained">Contained</Button>
        <Button variant="outlined">Outlined</Button>
        <Button variant="outlined">Outlined</Button>
        <Button variant="contained">Contained</Button>
        <Button variant="outlined">Outlined</Button>
        <Button variant="contained">Contained</Button>
      </Stack>
    </Box>