CODE EXAMPLE FOR HTML

structure radio in html

<div class="mb-3"><label class="form-label">Sex:</label>
  <input type="radio" id="contactChoice1"name="contact" value="email">
  <label for="contactChoice1">Email</label>

  <input type="radio" id="contactChoice2"name="contact" value="telephone">
  <label for="contactChoice2">Téléphone</label>

  <input type="radio" id="contactChoice3"name="contact" value="courrier">
  <label for="contactChoice3">Courrier</label>    
</div>