React Link podkreśla
<Link to="first" style={{ textDecoration: 'none' }}>
<MenuItem style={{ paddingLeft: 13 }}>Team 1</MenuItem>
</Link>
Brainy Beaver
<Link to="first" style={{ textDecoration: 'none' }}>
<MenuItem style={{ paddingLeft: 13 }}>Team 1</MenuItem>
</Link>You can add style={{ textDecoration: 'none' }}<Link style={{ color: 'inherit', textDecoration: 'inherit'}}>