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

body {
    display: flex;
    flex-direction: column;
    text-align: center;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    min-height: 100dvh;
    background-color: rgb(207, 247, 169);
}

main {
    display: grid;
    padding-top: 10px;
    flex-grow: 1;
}

main > section {
    font-size: 3em;
}

footer {
    background-color: yellow;
    padding: 5px 0;
}

#header > h1 {
    animation: blink 2s steps(5, start) infinite;
}

@keyframes blink {
    to {
        visibility: hidden;
    }
}

#quote {
    font-style: italic;
}