#opencc-btn-group {
        text-align: center;
        margin: 20px 0;
        padding-bottom: 40px;
    }
    .opencc-btn {
        padding: 8px 14px;
        background: #4dabf7;
        color: #fff;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        font-size: 14px;
        margin: 0 4px;
    }
    .opencc-btn:hover { background: #1c7ed6; }
    .opencc-btn.active {
        background: #1864ab;
        box-shadow: 0 0 0 2px rgba(24, 100, 171, 0.5);
    }