body {
    background: #ebf0ed;
    padding: 0;
    margin: 0;
    font-family: Helvetica, Arial, sans-serif;
    color: #333333;
}

section, header {
    margin: 3em auto;
    padding: 0 min(5em, 5%);
    max-width: 75em;
}

header {
    display: flex;
    justify-content: center;
    text-align: center;
    align-items: center;
    column-gap: 1em;
    flex-wrap: wrap;
}
header img {
    height: 10em;
}
header h1 {
    margin: 0;
}

section {
    word-wrap: break-word;
}

footer {
    display: flex;
    text-align: center;
    justify-content: center;
    gap: 2em;
    flex-wrap: wrap;
    padding: 2em min(5em, 5%);
    background: #444444;
}
footer a {
    color: #ebf0ed;
    text-decoration: none;
    font-size: 1em;
}
footer a:hover {
    text-decoration: underline;
}

.index header {
    margin: 0 auto;
    flex-wrap: nowrap;
    align-content: center;
    justify-items: center;
    min-height:98vh;
}
.index header img {
    height: 20em;
}
.index header h1 {
    font-size: 3em;
    margin: 1em;
}

@media (min-height:30em) {
    .index header {
        flex-direction: column;
    }
}