er;
            justify-content: flex-start;
            min-height: 100vh;
            width: 100%;
            max-width: 100vw;
            overflow-y: auto;
            overflow-x: hidden;
        }

        .timeline-container {
            display: block;
            width: 100%;
            max-width: 1600px;
            overflow: hidden;
            text-align: center;
        }

        .back-button {
            background-color: #3498db;
            color: white;
            border: none;
       