nt. */
            background: #909090;
        }

        @media (prefers-color-scheme: dark) {
            body {
                /* Dark mode background color for what is not covered by the egui canvas,
                or where the egui canvas is translucent. */
                background: #404040;
            }
        }

        /* Allow canvas to fill entire web page: */
        html,
        body {
            overflow: hidden;
            margin: 0 !important;
            padding: 0 !important;
    