css - 徽章增加导航栏高度

标签 css twitter-bootstrap twitter-bootstrap-3 navbar badge

我有以下用于 Bootstrap 导航栏的 HTML。

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<link href="https://stackpath.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
<style type="text/css">
/* Move down content because we have a fixed navbar that is 50px tall */

body {
  padding-top: 33px;
  padding-bottom: 20px;
}

.body {
  font-size: 16px;
  border-spacing: 2px;
  border-collapse: separate;
  text-align: center;
}

.body a {
  text-decoration: underline;
}

.navbar-fixed-top {
  background-color: #5b5b5b;
  min-height: 33px;
  border-style: none;
}

.navbar-toggle {
  margin-top: 2px;
  margin-bottom: 2px;
  padding-top: 7px;
  padding-bottom: 7px;
}

.navbar-nav>li>a {
  line-height: 3px;
  padding-top: 16px;
  padding-bottom: 14px;
}

div.navbar-header>img {
  height: 30px;
  margin-top: 2px;
}

.nav>li>a {
  font-size: medium;
  font-family: "Helvetica Bold", sans-serif;
  /*font-weight: bold;*/
  text-transform: uppercase;
}

.navbar-inverse .navbar-nav>li>a {
  color: #f0eed0;
}

.navbar-inverse .navbar-nav>li>a:hover {
  color: #f8dc54;
}

.nav li {
  display: inline;
}

#vugraph-menu.inprogress>a {
  color: black;
  background-color: #ecbe23;
}

#vugraph-menu.inprogress>a:hover,
#vugraph-menu.inprogress.open>a:not(:hover) {
  color: white;
}
</style>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<nav class="navbar navbar-inverse navbar-fixed-top">
  <div class="container">

    <div class="navbar-header">
      <img src="http://www.bridgebase.com/images/bbo_red.png">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
    </div>

    <div id="navbar" class="nav navbar-collapse collapse">
      <div class="container">
        <ul class="nav navbar-nav">
          <li id="vugraph-menu" class="nav-item dropdown" title="No tables in play">
            <a id="navbar-vugraph-menu-link" class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Vugraph <span id="vugraph-count" class="badge badge-notify"></span></a>
            <ul class="dropdown-menu" aria-labelledby="navbar-vugraph-menu-link">
              <li class="dropdown-item"><a href="//www.bridgebase.com/v3/?vugraph=y" target="_blank">Watch</a></li>
              <li class="dropdown-item"><a href="//www.bridgebase.com/vugraph/schedule.php" target="_blank">Schedule</a></li>
            </ul>
          </li>
          <li class="nav-item"><a class="nav-link" href="//www.bridgebase.com/myhands/index.php" target="_blank">Hand Records</a></li>
          <li class="nav-item"><a class="nav-link" href="//www.bridgebase.com/points/index.php" target="_blank">Masterpoints</a></li>
          <li class="nav-item"><a class="nav-link" href="https://www.bridgebase.com/purchase/pay.php" target="_blank">BB$</a></li>
        </ul>
      </div>
    </div>
  </div>
</nav>

没有徽章看起来像这样:

enter image description here

我有动态填充#vugraph-count 徽章的 JavaScript。当它有内容时，导航栏的高度增加超过 15 个像素。 HTML 变为:

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<link href="https://stackpath.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
<style type="text/css">
/* Move down content because we have a fixed navbar that is 50px tall */

body {
  padding-top: 33px;
  padding-bottom: 20px;
}

.body {
  font-size: 16px;
  border-spacing: 2px;
  border-collapse: separate;
  text-align: center;
}

.body a {
  text-decoration: underline;
}

.navbar-fixed-top {
  background-color: #5b5b5b;
  min-height: 33px;
  border-style: none;
}

.navbar-toggle {
  margin-top: 2px;
  margin-bottom: 2px;
  padding-top: 7px;
  padding-bottom: 7px;
}

.navbar-nav>li>a {
  line-height: 3px;
  padding-top: 16px;
  padding-bottom: 14px;
}

div.navbar-header>img {
  height: 30px;
  margin-top: 2px;
}

.nav>li>a {
  font-size: medium;
  font-family: "Helvetica Bold", sans-serif;
  /*font-weight: bold;*/
  text-transform: uppercase;
}

.navbar-inverse .navbar-nav>li>a {
  color: #f0eed0;
}

.navbar-inverse .navbar-nav>li>a:hover {
  color: #f8dc54;
}

.nav li {
  display: inline;
}

#vugraph-menu.inprogress>a {
  color: black;
  background-color: #ecbe23;
}

#vugraph-menu.inprogress>a:hover,
#vugraph-menu.inprogress.open>a:not(:hover) {
  color: white;
}
</style>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<nav class="navbar navbar-inverse navbar-fixed-top">
  <div class="container">

    <div class="navbar-header">
      <img src="http://www.bridgebase.com/images/bbo_red.png">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
    </div>

    <div id="navbar" class="nav navbar-collapse collapse">
      <div class="container">
        <ul class="nav navbar-nav">
          <li id="vugraph-menu" class="nav-item dropdown" title="No tables in play">
            <a id="navbar-vugraph-menu-link" class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Vugraph <span id="vugraph-count" class="badge badge-notify">1</span></a>
            <ul class="dropdown-menu" aria-labelledby="navbar-vugraph-menu-link">
              <li class="dropdown-item"><a href="//www.bridgebase.com/v3/?vugraph=y" target="_blank">Watch</a></li>
              <li class="dropdown-item"><a href="//www.bridgebase.com/vugraph/schedule.php" target="_blank">Schedule</a></li>
            </ul>
          </li>
          <li class="nav-item"><a class="nav-link" href="//www.bridgebase.com/myhands/index.php" target="_blank">Hand Records</a></li>
          <li class="nav-item"><a class="nav-link" href="//www.bridgebase.com/points/index.php" target="_blank">Masterpoints</a></li>
          <li class="nav-item"><a class="nav-link" href="https://www.bridgebase.com/purchase/pay.php" target="_blank">BB$</a></li>
        </ul>
      </div>
    </div>
  </div>
</nav>

渲染的导航栏看起来像:

enter image description here

(我必须将我们的自定义 CSS 内联到代码段的 HTML 框中，否则 bootstrap.min.css 会优先于自定义样式。)您需要使用堆栈片段的“整页”选项，用于获取未折叠的导航栏。

问题似乎与 .navbar-nav>li>a 样式 line-height: 3px 有关。当我删除它时，导航栏总是太高。这用于降低导航栏高度以匹配左侧的 Logo 。出于某种原因，当添加徽章时，它会覆盖它(尽管它没有在 DOM 检查器中被删除)。

最佳答案

badge 不是导致问题的原因，您可以检查下一个示例，其中有两个导航栏(一个带有带有数字的徽章，另一个没有)，它们都具有相似的高度(如 Chris Bar 已指出)。所以:

1) 可能是你的一些自定义CSS有问题，这种情况下，我建议使用inspector工具来检查你添加了什么样式徽章或导航栏。

2) 您可以做的另一件事是检查您是否有结构良好的导航栏，如 Bootstrap Navbar 中所述。 .

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">

<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">

  <!-- Brand and collapse button -->
  <div class="navbar-header">
    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar1">
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
    <a class="navbar-brand" href="#">Navbar 1</a>
  </div>

  <div id="navbar1" class="navbar-collapse collapse">
    <ul class="nav navbar-nav">
      <li id="vugraph-menu" class="nav-item dropdown" title="No tables in play">
        <a id="navbar-vugraph-menu-link" class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Vugraph
          <span id="vugraph-count" class="no-padding badge badge-notify">99</span>
        </a>
        <ul class="dropdown-menu" aria-labelledby="navbar-vugraph-menu-link">
          <li class="dropdown-item">
            <a href="//www.bridgebase.com/v3/?vugraph=y" target="_blank">Watch</a>
          </li>
          <li class="dropdown-item">
            <a href="//www.bridgebase.com/vugraph/schedule.php" target="_blank">Schedule</a>
          </li>
        </ul>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="//www.bridgebase.com/myhands/index.php" target="_blank">Hand Records</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="//www.bridgebase.com/points/index.php" target="_blank">Masterpoints</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="https://www.bridgebase.com/purchase/pay.php" target="_blank">BB$</a>
      </li>
    </ul>
  </div>

</div>
</nav>

<nav class="navbar navbar-inverse navbar-fixed-bottom">
<div class="container">

  <!-- Brand and collapse button -->
  <div class="navbar-header">
    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar2">
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
    <a class="navbar-brand" href="#">Navbar 2</a>
  </div>

  <div id="navbar2" class="navbar-collapse collapse">
    <ul class="nav navbar-nav">
      <li id="vugraph-menu" class="nav-item dropdown" title="No tables in play">
        <a id="navbar-vugraph-menu-link" class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
          Vugraph
          <span id="vugraph-count" class="no-padding badge badge-notify"></span>
        </a>
        <ul class="dropdown-menu" aria-labelledby="navbar-vugraph-menu-link">
          <li class="dropdown-item">
            <a href="//www.bridgebase.com/v3/?vugraph=y" target="_blank">Watch</a>
          </li>
          <li class="dropdown-item">
            <a href="//www.bridgebase.com/vugraph/schedule.php" target="_blank">Schedule</a>
          </li>
        </ul>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="//www.bridgebase.com/myhands/index.php" target="_blank">Hand Records</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="//www.bridgebase.com/points/index.php" target="_blank">Masterpoints</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="https://www.bridgebase.com/purchase/pay.php" target="_blank">BB$</a>
      </li>
    </ul>
  </div>

</div>
</nav>

最后，我不认为更新到 Bootstrap 4 会有所帮助，事实上，您将不得不将整个站点移植到新版本，因为版本 发生了一些变化>3 到 4(阅读更多 here)。

更新

在使用元素上应用的自定义样式更新问题后，可能的解决方案是将下一个样式添加到 badge:

{line-height: 0; display: inline;}

示例:

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<link href="https://stackpath.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
<style type="text/css">
/* Move down content because we have a fixed navbar that is 50px tall */

#vugraph-count {
  line-height: 0;
  display: inline;
}

body {
  padding-top: 33px;
  padding-bottom: 20px;
}

.body {
  font-size: 16px;
  border-spacing: 2px;
  border-collapse: separate;
  text-align: center;
}

.body a {
  text-decoration: underline;
}

.navbar-fixed-top {
  background-color: #5b5b5b;
  min-height: 33px;
  border-style: none;
}

.navbar-toggle {
  margin-top: 2px;
  margin-bottom: 2px;
  padding-top: 7px;
  padding-bottom: 7px;
}

.navbar-nav>li>a {
  line-height: 3px;
  padding-top: 16px;
  padding-bottom: 14px;
}

div.navbar-header>img {
  height: 30px;
  margin-top: 2px;
}

.nav>li>a {
  font-size: medium;
  font-family: "Helvetica Bold", sans-serif;
  /*font-weight: bold;*/
  text-transform: uppercase;
}

.navbar-inverse .navbar-nav>li>a {
  color: #f0eed0;
}

.navbar-inverse .navbar-nav>li>a:hover {
  color: #f8dc54;
}

.nav li {
  display: inline;
}

#vugraph-menu.inprogress>a {
  color: black;
  background-color: #ecbe23;
}

#vugraph-menu.inprogress>a:hover,
#vugraph-menu.inprogress.open>a:not(:hover) {
  color: white;
}
</style>

<script src="https://stackpath.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<nav class="navbar navbar-inverse navbar-fixed-top">
  <div class="container">

    <div class="navbar-header">
      <img src="http://www.bridgebase.com/images/bbo_red.png">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
    </div>

    <div id="navbar" class="nav navbar-collapse collapse">
      <div class="container">
        <ul class="nav navbar-nav">
          <li id="vugraph-menu" class="nav-item dropdown" title="No tables in play">
            <a id="navbar-vugraph-menu-link" class="nav-link dropdown-toggle" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Vugraph <span id="vugraph-count" class="badge badge-notify">1</span></a>
            <ul class="dropdown-menu" aria-labelledby="navbar-vugraph-menu-link">
              <li class="dropdown-item"><a href="//www.bridgebase.com/v3/?vugraph=y" target="_blank">Watch</a></li>
              <li class="dropdown-item"><a href="//www.bridgebase.com/vugraph/schedule.php" target="_blank">Schedule</a></li>
            </ul>
          </li>
          <li class="nav-item"><a class="nav-link" href="//www.bridgebase.com/myhands/index.php" target="_blank">Hand Records</a></li>
          <li class="nav-item"><a class="nav-link" href="//www.bridgebase.com/points/index.php" target="_blank">Masterpoints</a></li>
          <li class="nav-item"><a class="nav-link" href="https://www.bridgebase.com/purchase/pay.php" target="_blank">BB$</a></li>
        </ul>
      </div>
    </div>
  </div>
</nav>

关于css - 徽章增加导航栏高度，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/55480288/

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