body{font-family:Tahoma,Arial,sans-serif;background:#f7f7f9;margin:0;padding:20px;color:#222}
    .card{max-width:820px;margin:0 auto;background:#fff;border:1px solid #e5e5e5;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.05);padding:20px}
    h2{margin:0 0 16px;font-size:20px}
    table{width:100%;border-collapse:collapse;margin-top:10px}
    th,td{padding:12px;border-bottom:1px solid #eee;text-align:right}
    th{background:#fafafa;font-weight:700}
    .muted{color:#666}
    .center{text-align:center}
    #countdown{margin:18px 0;font-weight:bold}
    .btn{display:none;padding:12px 20px;border:0;border-radius:8px;cursor:pointer;font-size:16px}
    .btn-primary{background:#198754;color:#fff;
        padding: 5%;
    font-weight: bold;
    font-size: larger;
    }
    .btn-primary:hover{background:#157347}
    a{color:#0a58ca;text-decoration:none}
    a:hover{text-decoration:underline}