ed;
            bottom: 20px;
            right: 20px;
            width: 60px;
            height: 60px;
            background: #4caf50;
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            font-size: 24px;
            z-index: 1000;
        }

        /* Powered by */
        .powered-by {
            position: