Mui:styled

const MyComponent = styled('div')({
  color: 'darkslategray',
  backgroundColor: 'aliceblue',
  padding: 8,
  borderRadius: 4,
});

import Paper from '@mui/material/Paper';

const Item = styled(Paper)(({theme}) => ({
  backgroundColor: theme.palette.mode === 'dark' ? '#1A2027' : '#fff',
  ...theme.typography.body2,
  padding: theme.spacing(1),
  textAlign: 'center',
  color: theme.palette.text.secondary,
}));