我刚开始使用 bootstrap，我在我的页面上创建了一些导航按钮，它们很棒!但是当你将鼠标悬停在按钮上时，它会立即变为白色，但我希望它逐渐变成白色。一旦您的鼠标不再悬停在按钮上，我也希望它变回蓝色。这是怎么做到的？
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"/>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css"/>
<link rel="stylesheet" type="text/css" href="style.css" />
<title>Home</title>
</head>
<body>
<div class="container-fluid">
</div>
<div class="container-fluid">
<div class="col-md-4 col-lg-4 col-sm-4 col-xs-4">
<ul class="nav nav-pills nav-stacked" role="tablist">
<img src="logo.png">
<li class="active"><a href="home.html">Home</a></li>
<li><a href="about.html">About</a></li>
<li><a href="projects.html">Projects</a></li>
<li><a href="contact.html">Contact</a></li>
</ul>
</div>
<div class="col-md-7 col-lg-7 col-xs-7 col-sm-7 col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 main">
<p>This is the home page.</p>
</div>
<footer><i class="fa fa-html5"></i> <i class="fa fa-css3"></i></footer>
</div>
</body>
</html>最佳答案
只需将 CSS transition 添加到 anchor ，如下所示:
.nav-pills li a{
/* 0.5s is the amount of time it take to change colors */
transition: 0.5s background ease-in-out;
}<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"/>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css"/>
<link rel="stylesheet" type="text/css" href="style.css" />
<title>Home</title>
</head>
<body>
<div class="container-fluid">
</div>
<div class="container-fluid">
<div class="col-md-4 col-lg-4 col-sm-4 col-xs-4">
<ul class="nav nav-pills nav-stacked" role="tablist">
<img src="logo.png">
<li class="active"><a href="home.html">Home</a></li>
<li><a href="about.html">About</a></li>
<li><a href="projects.html">Projects</a></li>
<li><a href="contact.html">Contact</a></li>
</ul>
</div>
<div class="col-md-7 col-lg-7 col-xs-7 col-sm-7 col-lg-offset-1 col-md-offset-1 col-sm-offset-1 col-xs-offset-1 main">
<p>This is the home page.</p>
</div>
<footer><i class="fa fa-html5"></i> <i class="fa fa-css3"></i></footer>
</div>
</body>
</html>关于html - 我怎样才能让我的 Bootstrap 按钮在悬停时消失，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/42257281/