*,
::after,
::before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

h1 {
    margin: 20px 0;
}

img {
    display: block;
    width: 100%;
    padding-bottom: 10px;
}

#gallery {
    display: flex;
    justify-content: space-around;
    gap: 10px;
}

#gallery div {
    flex: 1;
}