main{
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items:stretch;
}

main>article{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color:#b7ffff;
    margin: .5rem;
    padding: 1rem;
}

main>article>footer>p{
    background:linear-gradient(to bottom, transparent 50%,#ffe5b4 50%);
}

main>article>header{
    font-size:1.3rem;
    text-align:center;
}

main>article>section>ul>li{
    text-decoration: underline;
    text-decoration-color: red;
}

@media screen and (max-width: 768px){
    main{
        grid-template-columns: 1fr;
    }
}