👉 Radio button

<label>
    <input type="radio" name="radio" value="checked" checked>
    Checked
</label>
<br>
<label>
    <input type="radio" name="radio" value="empty">
    Empty
</label>
<hr>
<label>
    <input type="radio" name="radio_disabled" value="checked_disabled" checked disabled>
    Checked Disabled
</label>
<br>
<label>
    <input type="radio" name="radio_disabled" value="empty_disabled" disabled>
    Empty Disabled
</label>