* {
            margin: 0;
            padding: 0;
        }
        html, body {
            width: 100%;
            height: 100%;
            overflow: hidden;
            background: #000;
            color-scheme: dark;
        }
        #particles {
            position: fixed;
            inset: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
        }
        iframe {
            position: relative;
            z-index: 1;
            width: 100%;
            height: 100%;
            border: none;
            display: block;
            background: transparent;
        }