body, html {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
}
.link-container {
    text-align: center;
    border: 1px solid #dee2e6;
    padding: 2rem;
    border-radius: 0.5rem;
    background-color: #fff;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}