:root {
    --button-highlight: #FFFFFF;
    --button-face: #c0c0c0;
    --button-shadow: #808080;
    --window-frame: #0a0a0a;
    --border-raised-outer: inset -1px -1px var(--window-frame), inset 1px 1px var(--button-highlight);
    --border-raised-inner: inset -2px -2px var(--button-shadow), inset 2px 2px var(--button-face);
}
html {
    display: block;
}
body{
background-color: white;
}