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我试图将链接从导航栏的左侧移动到右侧，但它不允许。我试过将它向右浮动但什么也没发生，与 position:relative; 相同；右:200px；和 padding-right: -200px;.如果有人有任何其他建议，我们将不胜感激。
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="index.html">
<img id="logo" src="images/logo.png" width="200" class="d-inline-block align-top" alt="">
</a>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item">
<a class="nav-link active text-white" href="index.html">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link text-white" href="services.html">Services</a>
</li>
<li class="nav-item">
<a class="nav-link text-white" href="portfolio.html">Portfolio</a>
</li>
<li class="nav-item">
<a class="nav-link text-white" href="about.html">About</a>
</li>
</ul>
</div>
</nav>