* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    position: relative;
}

html, body {
    width: 100%;
    height: 100%;
}

body {
    background-color: #111;
    color: #fff;
    font: 12px/20px Verdana, Geneva, Arial, Helvetica, sans-serif;
}

@media (prefers-color-scheme: light) {
    body {
        background-color: #ddd;
        color: #000;
    }
}

[hidden],
.hidden {
    display: none !important;
}