html {
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center center;
    background-size: cover;
}

html,
body {
    height: 100%;
}

body {
    font-family: "Iowan Old Style", "Palatino Linotype", "URW Palladio L", P052, serif;
    display: flex;
    align-items: center;
    justify-content: center;
}

h1 {
    font-size: 32px;
}

a,
a:link,
a:active,
a:visited {
    text-decoration: none;
    color: #00c7b7;
}

a:hover {
    text-decoration: underline;
}

p {
    font-size: 18px;
    margin: 20px 0;
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sub {
    bottom: -0.25em;
}

sup {
    top: -0.5em;
}

.center {
    text-align: center;
}

.panel {
    margin: 50px 50px;
    padding: 40px 60px;
    border-radius: 6px;
    background: #eee;
    max-width: 46em;
}

.right {
    text-align: right;
}

@media (min-width: 768px) {
    p {
        font-size: 16px;
    }
}