:root {
    --background-color: gray;
}
body {
    font-family: "Ysabeau Office", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    background-color: var(--background-color);
}
h1 {
    text-align: center;
}
img {
    border-radius: 8px;
}