.container {
    background-color: darkslategray;
    color: white;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 15px;
}

.form-group {
    
    display: grid;
    grid-template-columns: 80px 1fr;
    grid-gap: 10px;
    margin-bottom: 5px;
}

.form-group button{
    width: 500px;
    align-items: center;
}

label {
    display: block;
    text-align: right;
    margin-bottom: 5px;
}

input, textarea {
    width: 100%;
    padding: 5px;
    margin-bottom: 10px;
    border: 1px solid black;
    border-radius: 5px;
}

textarea{
    width: 400px;
    height: 200px;
    border: 1px solid black;
    resize: none;
}


.titre-message {
    text-align: center;
    color: #333;
}