main {
    display: grid;
    justify-content: center;
    grid-row-gap: 20px;
    padding: 20px 0;
}

.photoinfo {
    display: grid;
    grid-template-columns: 50% 50%;   
}

.photoinfo img {
    width: 100%;
    max-width: 400px;
    padding: 0 10px;
    box-sizing: border-box;
}

.photoinfo h2 {
    color: #333;
    font-size: 26px;
    margin-bottom: 10px;
}

.photoinfo p {
    color: #777;
    font-size: 18px;
    max-width: 540px;
}

.photoinfo a {
    color: #444;
}

@media screen and (max-width: 639px) {
    .photoinfo {
        grid-template-columns: auto;
    }
}