我有以下引导导航栏:JSBin:更改默认背景颜色和悬停导航栏的背景色
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</head>
<body>
<nav class="navbar navbar-default navbar-static-top" ng-controller="NavCtrl">
<ul class="nav navbar-nav">
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdow <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="https://www.google.fr">New</a></li>
<li><a href="https://www.google.fr">Old</a></li>
</ul>
</li>
<li><a href="https://www.google.fr">Help</a></li>
</ul>
</nav>
</body>
</html>
我要做到以下几点:
- 将导航栏的默认背景颜色更改为
#e1e1e1
- 当我们悬停在
dropdown
和help
,该元素的背景颜色变得更暗(例如,#a9a9a9
)
有谁知道如何实现这一目标?