<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8" />
        <title>Firefly Loading</title>
        <style>
            body {
                margin: 0;
                display: flex;
                justify-content: center;
                align-items: center;
                font-family: sans-serif;
                background: #282c34;
                color: white;
                height: 100vh;
                overflow: hidden;
            }
            .content {
                display: 