【问题标题】:Changing Bootstrap 4 Dropdown Button Colors更改 Bootstrap 4 下拉按钮颜色
【发布时间】:2020-09-02 08:16:29
【问题描述】:

我正在尝试更改按钮的颜色,但到目前为止,我只能在悬停时更改颜色。

这是我的 HTML,这是我通过悬停改变颜色时的 CSS::

.nav > li > a:focus, .nav > li > a:hover {
       background-color: #00AEFE;
    }
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>



 
 
 <nav class="navbar navbar-custom">
  <div class="container-fluid">
    <div class="navbar-header">
      <a class="navbar-brand" href="#">Food, LLC</a>
    </div>
    <div>
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#collapsable-nav" aria-expanded="false">
        <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="collapsable-nav" class="collapse navbar-collapse">
      <ul id="nav-list" class="nav navbar-nav navbar-right">
        <li><a href="#">Chicken</a></li>
        <li><a href="#">Beef</a></li>
        <li><a href="#">Sushi</a></li>
      </ul>
    </div>
  </div>
</nav>

【问题讨论】:

标签: html jquery css twitter-bootstrap bootstrap-4


【解决方案1】:

要更改一般颜色,请删除 :focus 和 :hover(仅在聚焦或悬停时有效)

.nav > li > a{
   background-color: #00AEFE;
}

更好:

.navbar-toggle {
     background-color: #00AEFE;
}

注意:这只会改变类中包含“navbar-toggle”的元素的样式

【讨论】:

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