main {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 250px;
}

form {
    width: 500px;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    background: var(--card-background-color);
    text-align: center;
}

h2 {
    margin-bottom: 20px;
    color: var(--text-color);
}