小编gre*_*ton的帖子

我的HTML是由wordpress生成的.

<div class="header-main">
            <h1 class="site-title"><a href="http://wp-themes.com/" rel="home">Theme Preview</a></h1>

            <div class="search-toggle active">
                <a href="#search-container" class="screen-reader-text">Search</a>
            </div>

            <nav id="primary-navigation" class="site-navigation primary-navigation" role="navigation">
                <h1 class="menu-toggle">Primary Menu</h1>
                <a class="screen-reader-text skip-link" href="#content">Skip to content</a>
                <div class="nav-menu"><ul><li class="page_item page-item-2"><a href="http://wp-themes.com/?page_id=2">About</a></li><li class="page_item page-item-46 page_item_has_children"><a href="http://wp-themes.com/?page_id=46">Parent Page</a><ul class="children"><li class="page_item page-item-49"><a href="http://wp-themes.com/?page_id=49">Sub-page</a></li></ul></li></ul></div>
            </nav>
        </div>

我想要隐藏所有元素,但.page-item-2我使用的是:

.header-main .nav-menu li:not(.page-item-2) {
    display:none;
}

这有效,但我也想.page-item-46从选择器中排除:

.header-main .nav-menu li:not(.page-item-2) :not(.page-item-46) {
    display:none;
}

但这不起作用.