.about-container {
            max-width: 600px;
            text-align: center;
            padding: 20px;
            line-height: 1.6;
        }

        .about-slide {
            display: none;
        }

        .about-slide.active {
            display: block;
        }

        .about-container ul {
            list-style: none;
            padding: 0;
            margin: 10px 0 20px;
        }

        .about-container li {
            font-weight: bold;
            margin: 4px 0;
        }

        .about-container a {
            color: #87cefa;
            text-decoration: underline;
        }

        .about-container img {
            width: 100%;
            max-width: 500px;
            border-radius: 12px;
            margin-top: 20px;
        }

        #nextBtn {
            margin-top: 20px;
            padding: 10px 20px;
            background-color: #777;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
        }

        #nextBtn:hover {
            background-color: #555;
        }