body {
            margin: 12px;
            background-color: #FFFFFF;
            background-image: url('images/bg_bigmotif2.gif');
            background-size: cover;
            color: #000;
            font-family: Geneva, Arial, Helvetica, sans-serif;
        }

        table {
            width: 100%;
            max-width: 600px;
            margin: 0 auto;
            border-collapse: collapse;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .center {
            text-align: center;
        }

        .warning {
            text-align: left;
            padding: 10px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 8px;
            margin: 10px 0;
        }

        .warning p {
            text-align: center;
            font-weight: bold;
            font-size: 1.2em;
        }

        .btn-return {
            display: flex;
            justify-content: center;
        }

        .btn-return a {
            text-decoration: none;
        }

        @media screen and (max-width: 600px) {
            .warning {
                font-size: 0.9em;
            }
        }