html {
    background: white;
    color: #333;
    font-family: Arial, sans-serif;
}

a {
    color: #333;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: #444;
}

body {
    padding: 10vh 0;
    text-align: center;
}

img {
    display: block;
    margin: 0 auto;
    max-width: 50%;
}

.offscreen {
    position: absolute;
    left: -10000px;
}