.formulaire {
    background-color: #333;
    padding: 4%;
    width: 90%;
    max-width: 600px;
    height: 400px;
    margin: auto;
    border-bottom: 20px;
    border-radius: 25px 10px;
}

form {
    display: grid;
}

input {
    padding: 2%;
    margin: auto 20px 30px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 25px;
    border-radius: 15px 5px;
    width: 85%;
}

.cnx {
    color: white;
    margin: auto;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 35px;
}

.link_form {
    font-size: larger;
    color: white;
    margin-left: 55%;
    padding-bottom: 2%;
}

.btn_form {
    padding: 2%;
    width: 90%;
    margin: auto;
    border-radius: 10px 5px;
    background-color: dodgerblue;
}