.formule {
    border: 2px solid white;
    padding: 10px;
    text-align: center;
}

.btn-primary {
    color: #fff;
    background-color: #FED700!important;
    border-color: #FED700!important;
}

@media (max-width: 767.98px) {
    .modal-dialog {
        max-width: 100%!important;
        height: 100%;
    }
    
    .modal-content {
        height: 100%;
    }
}