body {
    margin: 0;
    padding: 0;
    background-color: #000E29;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.lien {
    text-decoration: none;
    color: #fff;
    font-size: 1.5rem;
    padding: 0.9375rem 1.875rem;
    border-radius: 0.5rem;
    background-color: #007BFF;
    box-shadow: 0 0.25rem 0.375rem rgba(119, 108, 108, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.lien:hover {
    background-color: #0056b3;
    transform: translateY(-0.1875rem);
    box-shadow: 0 0.375rem 0.5rem rgba(0, 0, 0, 0.15);
}

.lien:active {
    background-color: #004085;
    transform: translateY(0);
    box-shadow: 0 0.25rem 0.375rem rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .lien {
        font-size: 1.25rem;
        padding: 0.625rem 1.25rem;
    }

    .container {
        gap: 0.625rem;
    }
}

@media (max-width: 480px) {
    .lien {
        font-size: 1.125rem;
        padding: 0.5rem 1rem;
    }
}