main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 900px;
    margin: 1em auto;
    text-align: center;
    background-color: var(--background-color);
    border: 2px solid var(--text-color);
    border-radius: 20px;
    color: var(--text-color);
    padding: 2em;
}