JSFiddle - React, Tailwind, and code Playground

HTML

<table> 
							<tr>
								<td>Last Name</td>
								<td><input size="40" type="text" name="nom" placeholder="Name"></td>		
							</tr>

							<tr>
								<td>First Name</td>
								<td><input size="40" type="text" name="prenom" placeholder="First Name"></td>
							</tr>

							<tr>
								<td>Institution</td>
								<td><input size="40" type="text" name="organisme" placeholder="Institution"></td>
							</tr>
							<tr>
								<td>Phone</td>
								<td><input size="40" type="text" name="phone" placeholder="Phone"></td>
							</tr>
                                </table>
                                <input type="submit" value="Valider" name ="envoyer" class='buttonPanier'/><br>

CSS

<style>
							table
							{
								border-collapse: collapse;
							}
							td, th /* Mettre une bordure sur les td ET les th */
							{
								border: 1px solid black;
							}
						</style>