I want to make a box inside the Appbar that takes the full height, as demonstrated below:
However, the Appbar by default is giving padding from the top, bottom, left, and right to the inner elements, which is resulting in the following unwanted behavior:
If I set the prop disableGutter, it only disables the padding from the right and left, but it does not disable the paddings from the top and bottom:

This is great, but I only now have to disable the padding from the top and bottom.
Full code: Or Click Here To See It In Sandbox
import * as React from 'react';
import AppBar from '@mui/material/AppBar';
import Box from '@mui/material/Box';
import Toolbar from '@mui/material/Toolbar';
import Typography from '@mui/material/Typography';
export default function Topnav() {
return (
<AppBar>
<Toolbar disableGutters>
<Typography sx={{ px: 1 }}>About</Typography>
<Typography sx={{ px: 1 }}>Settings</Typography>
<Typography sx={{ px: 1, flexGrow: 1 }}>Contact Us</Typography>
<Box sx={{ background: 'pink' }}>Mr bean</Box>
</Toolbar>
</AppBar>
);
}

