.banner {
    justify-content: center;
}

#ctn {
    background: var(--fg);
    padding: 1rem;
    border-radius: 1rem;
}

#ctn :is(p, ol, h2, ul) {
    margin-bottom: 0.5rem;
}

#ctn h2 {
    font-size: 1.1rem;
}

@media screen and (min-width: 768px) {
    #ctn {
        width: 700px;
        margin: auto;
    }
}