Par*_*een 2 html css twitter-bootstrap bootstrap-4
如果我想根据Bootstrap 4中浏览器窗口的大小将导航项(链接)放在导航栏中,该怎么办?请看一下代码:
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav">
<a class="nav-item nav-link active" href="#">Home <span class="sr-only">(current)</span></a>
<a class="nav-item nav-link" href="#">Features</a>
<a class="nav-item nav-link" href="#">Pricing</a>
<a class="nav-item nav-link disabled" href="#">Disabled</a>
</div>
</div>
</nav>
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现在,我想根据浏览器的宽度将div的中心设置为“ navbar-nav”。我尝试过的一件事是给它mr-auto和ml-auto使其确实居中,但不完全准确。实际上,它根据宽度“浏览器窗口宽度-徽标宽度”将其居中。我希望它恰好位于屏幕中间。
我也尝试过将位置更改为绝对位置,但是同样,在折叠模式下,这种布局也会变得混乱。
快速使用flexbox和margin utils ...
Bootstrap 4 Alpha 6 http://codeply.com/go/YvzHvQQRAs(中心品牌和链接)
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="d-md-flex d-block flex-row mx-md-auto mx-0">
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse mr-auto" id="navbarNavAltMarkup">
<div class="navbar-nav">
<a class="nav-item nav-link active" href="#">Home <span class="sr-only">(current)</span></a>
<a class="nav-item nav-link" href="#">Features</a>
<a class="nav-item nav-link" href="#">Pricing</a>
<a class="nav-item nav-link disabled" href="#">Disabled</a>
</div>
</div>
</div>
</nav>
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Bootstrap 4.1 https://www.codeply.com/go/sTJUthyswN(中心品牌,在移动设备上向左对齐)
编辑..
答案仍然基本相同。使用mx-auto到中心。
http://codeply.com/go/mycC5z8lpJ(中心链接,左侧品牌)
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav mx-auto">
<a class="nav-link active" href="#">Home <span class="sr-only">(current)</span></a>
<a class="nav-link" href="#">Features</a>
<a class="nav-link" href="#">Pricing</a>
<a class="nav-link disabled" href="#">Disabled</a>
</div>
</div>
</nav>
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如果要使链接精确位于视口的中心,请参见此处的第二个示例:http : //www.codeply.com/go/RCBftzZCD8
另见 ...
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将徽标中心对齐并在左侧切换图标
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