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HTML

<!doctype html>
<html lang="fr">
	<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1"/>
		<title>Align vert items cellule P220 F et G</title>
		<style>
			body {
				padding: 10px;
			}
			#conteneur1 {
				/* Grille de mise en page */
				display: grid;
				grid-template-columns: repeat(3,300px);
				grid-template-rows: repeat(3, auto);
				gap: 10px;
				align-items: stretch;  /* Remplace justify-item ? */
				/* Mise en forme */
				width: 920px;
				height: auto;
        margin-bottom: 10px;
        padding: 10px;
				border: 1px solid #000;
				border-radius: 3px;
				background-color: lightblue; 
			}
      
      #conteneur2 {
				/* Grille de mise en page */
				display: grid;
				grid-template-columns: repeat(3,300px);
				grid-template-rows: repeat(3, auto);
				gap: 10px;
				align-items: start;  /* Remplace justify-item ? */
				/* Mise en forme */
				width: 920px;
				height: auto;
        margin-bottom: 10px;
				padding: 10px;
        border: 1px solid #000;
				border-radius: 3px;
				background-color: lightblue; 
			}
      
       #conteneur3 {
				/* Grille de mise en page */
				display: grid;
				grid-template-columns: repeat(3,300px);
				grid-template-rows: repeat(3, auto);
				gap: 10px;
				align-items: end;  /* Remplace justify-item ? */
				/* Mise en forme */
				width: 920px;
				height: auto;
        margin-bottom: 10px;
				padding: 10px;
				border: 1px solid #000;
				border-radius: 3px;
				background-color: lightblue; 
			}
      
      #conteneur4 {
				/* Grille de mise en page */
				display: grid;
				grid-template-columns: repeat(3,300px);
				grid-template-rows: repeat(3, auto);
				gap: 10px; /* Espace entre les cellules */
				align-items: center;  /* Remplace justify-item(dans le livre) ? */
				/* Mise en forme */
				width: 920px;
				height: auto;
				padding: 10px;
				border: 1px solid #000;
				border-radius: 3px;
				background-color: lightblue; 
			}
      
			p...