.register_connexion{
    padding: 2rem ;
    display: flex;
    align-items: center;
    justify-content: center;
}

.register_connexion .cl1{
    width: 80%;
}

.register_connexion input[type="submit"]{
    width: 40%;
}

.register_connexion h2{
    color : black ;
    font-family : "Open Sans", Arial, sans-serif;
    font-size : 1.5rem ;
}
.form-check-label input{
    width: 1em !important;
}