header {
    text-align: center;
    margin: 20px;
    border-bottom: 1px solid black;
}

#content {
    max-width: 1000px;
    margin: 0 auto;
}

#intro {
    font-style: italic;
    font-weight: bold;
    font-size: 20px;
}
h1, h2 {
    text-align: center;
}
h1,
h2,
h3,
h4 {
    color: #ba372a;
}

#wrapper {
    display: flex;
}

#wrapper article {
    border: 1px solid black;
    padding: 10px;
    margin: 10px;
}

#gallery {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

#gallery img {
    height: 350px;
}