.btn-connexion {
    display: block;
    padding: 10px;
    border-radius: 5px;
    background-color: #138496;
    border-color: #138496;
    color: #ffffff;
    text-decoration: none;
    transition: all ease 0.3s;
    text-align: center;
}

.btn-connexion:hover {
    background-color: #ffffff;
    color: #138496;
}

.error-msg {
    padding: 10px;
    border-radius: 5px;
    background-color: #dc3545;
    border-color: #dc3545;
    color: #ffffff;
}