.change-mode-button {
            display: block;
            background: #eee;
            color: #667eea;
            text-decoration: none;
            border: none;
            margin: 0 auto 40px;
            text-align: center;
            padding: 16px 48px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 12px;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .change-mode-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.1);
        }

        .change-mode-button:active {
            transform: translateY(0);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .change-mode-button:focus{
            display: block;
            background: #eee;
            color: #667eea;
            text-decoration: none;
            border: none;
            padding: 16px 48px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 12px;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            outline: none;
        }