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html - Bootstrap 3 在导航栏上方的顶部有空白

转载 作者：搜寻专家 更新时间：2023-10-31 08:04:45 24 4
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我刚刚下载了仅包含 css/js/fonts 的 Bootstrap 3 Dist。

我创建了 index.html 并粘贴了 OffCanvas example ，到目前为止一切正常。然后我用 固定顶部导航栏 更改了包含的导航栏，但现在我看到导航栏上方有一个 200 像素的空白顶部空间，我无法使用 FireBug 精确定位。

Screenshot

这是我的HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<link rel="shortcut icon" href="favicon.png">

<title>Off Canvas Template for Bootstrap</title>

<!-- Bootstrap core CSS -->
<link href="css/bootstrap.min.css" rel="stylesheet">

<!-- Custom styles for this template -->
<link href="css/offcanvas.css" rel="stylesheet">

<!-- Just for debugging purposes. Don't actually copy this line! -->
<!--[if lt IE 9]><script src="js/ie8-responsive-file-warning.js"></script><![endif]-->

<!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!--[if lt IE 9]>
  <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
  <script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script>
<![endif]-->
</head>

<body>
<nav class="navbar navbar-default" role="navigation">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
  <span class="sr-only">Toggle navigation</span>
  <span class="icon-bar"></span>
  <span class="icon-bar"></span>
  <span class="icon-bar"></span>
  </button>
  <a class="navbar-brand" href="#">Brand</a>
 </div>

 <!-- Collect the nav links, forms, and other content for toggling -->
 <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
 <ul class="nav navbar-nav">
  <li class="active"><a href="#">Link</a></li>
  <li><a href="#">Link</a></li>
  <li class="dropdown">
    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
    <ul class="dropdown-menu">
      <li><a href="#">Action</a></li>
      <li><a href="#">Another action</a></li>
      <li><a href="#">Something else here</a></li>
      <li class="divider"></li>
      <li><a href="#">Separated link</a></li>
      <li class="divider"></li>
      <li><a href="#">One more separated link</a></li>
    </ul>
  </li>
</ul>
<form class="navbar-form navbar-left" role="search">
  <div class="form-group">
    <input type="text" class="form-control" placeholder="Search">
  </div>
  <button type="submit" class="btn btn-default">Submit</button>
</form>
<ul class="nav navbar-nav navbar-right">
  <li><a href="#">Link</a></li>
  <li class="dropdown">
    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
    <ul class="dropdown-menu">
      <li><a href="#">Action</a></li>
      <li><a href="#">Another action</a></li>
      <li><a href="#">Something else here</a></li>
      <li class="divider"></li>
      <li><a href="#">Separated link</a></li>
    </ul>
  </li>
</ul>
</div><!-- /.navbar-collapse -->
</nav>


<div class="container">

  <div class="row row-offcanvas row-offcanvas-right">

    <div class="col-xs-12 col-sm-9">
      <p class="pull-right visible-xs">
        <button type="button" class="btn btn-primary btn-xs" data-toggle="offcanvas">Toggle nav</button>
      </p>
      <div class="jumbotron">
        <h1>Hello, world!</h1>
        <p>This is an example to show the potential of an offcanvas layout pattern in Bootstrap. Try some responsive-range viewport sizes to see it in action.</p>
      </div>
      <div class="row">
        <div class="col-6 col-sm-6 col-lg-4">
          <h2>Heading</h2>
          <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
          <p><a class="btn btn-default" href="#" role="button">View details &raquo;</a></p>
        </div><!--/span-->
        <div class="col-6 col-sm-6 col-lg-4">
          <h2>Heading</h2>
          <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
          <p><a class="btn btn-default" href="#" role="button">View details &raquo;</a></p>
        </div><!--/span-->
        <div class="col-6 col-sm-6 col-lg-4">
          <h2>Heading</h2>
          <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
          <p><a class="btn btn-default" href="#" role="button">View details &raquo;</a></p>
        </div><!--/span-->
        <div class="col-6 col-sm-6 col-lg-4">
          <h2>Heading</h2>
          <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
          <p><a class="btn btn-default" href="#" role="button">View details &raquo;</a></p>
        </div><!--/span-->
        <div class="col-6 col-sm-6 col-lg-4">
          <h2>Heading</h2>
          <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
          <p><a class="btn btn-default" href="#" role="button">View details &raquo;</a></p>
        </div><!--/span-->
        <div class="col-6 col-sm-6 col-lg-4">
          <h2>Heading</h2>
          <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
          <p><a class="btn btn-default" href="#" role="button">View details &raquo;</a></p>
        </div><!--/span-->
      </div><!--/row-->
    </div><!--/span-->

    <div class="col-xs-6 col-sm-3 sidebar-offcanvas" id="sidebar" role="navigation">
      <div class="list-group">
        <a href="#" class="list-group-item active">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
        <a href="#" class="list-group-item">Link</a>
      </div>
    </div><!--/span-->
  </div><!--/row-->

  <hr>

  <footer>
    <p>&copy; Company 2013</p>
  </footer>

</div><!--/.container-->



<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/offcanvas.js"></script>

最佳答案

您需要将 navbar-fixed-top 添加到导航栏类中:

<div class="navbar navbar-default navbar-fixed-top " role="navigation">

关于html - Bootstrap 3 在导航栏上方的顶部有空白，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/20908173/

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