body {
            font-family: Arial, sans-serif;
            text-align: center;
            margin-top: 50px;
        }
        #progress-container {
            width: 80%;
            margin: 0 auto;
            background: #f3f3f3;
            border: 1px solid #ccc;
            border-radius: 5px;
            overflow: hidden;
            position: relative;
        }
        #progress-bar {
            width: 0;
            height: 30px;
            background: #4caf50;
            text-align: center;
            color: white;
            line-height: 30px;
        }