body {
            font-family: Arial, sans-serif;
        }
        
        h1 {
            text-align: center;
        }
        
        form {
            max-width: 400px;
            margin: 0 auto;
            padding: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        label {
            display: block;
            margin-bottom: 10px;
        }

        input[type="number"], select, input[type="submit"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 3px;
            font-size: 16px;
        }

        input[type="submit"] {
            background-color: #007BFF;
            color: #fff;
            cursor: pointer;
        }

        p {
            text-align: center;
        }

        @media (max-width: 768px) {
            form {
                max-width: 90%;
            }
        }
        
        
        .resultat {
    		text-align: center;
		}
		
		
			img {
    display: block;
    margin: 0 auto;
    max-width: 80%;
    height: auto;
    border: 2px solid #000; /* Couleur et épaisseur de la bordure */
    padding: 10px; /* Espace intérieur de la bordure */
}