我正在学习引导程序并尝试制作导航栏,但导航栏切换器汉堡包图标未显示。我目前拥有的部分代码如下。谢谢。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Personal Website</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<link rel="stylesheet" href="styles.css">
</head>
<body>
<header>
<div class="container-fluid">
<div class="navbar navbar-expand-md">
<a class="navbar-brand" href="#">Brand</a>
<button class="navbar-toggler" data-toggle="collapse">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Skills</a>
</li>
答案 0 :(得分:3)
引导程序.navbar-toggler-icon
的样式将取决于导航栏的主题。例如,尝试在您的navbar-light
上使用navbar
,这会产生rgba(255, 255, 255, 0.5)
的汉堡包。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Personal Website</title>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<link rel="stylesheet" href="styles.css">
</head>
<header>
<div class="container-fluid">
<div class="navbar navbar-light navbar-expand-md">
<a class="navbar-brand" href="#">Brand</a>
<button class="navbar-toggler" data-toggle="collapse" data-target="#uniqueIdentifier">
<span class="navbar-toggler-icon"></span>
</button>
<div id="uniqueIdentifier" class="collapse navbar-collapse">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Skills</a>
</li>
</ul>
</div>
</div>
</div>
</header>