我在Bootstrap 4中使用带有品牌徽标图像(150px x 33px)的导航栏。
我需要将导航栏的高度增加到80px。我使用min-height: 80px;
实现了这一目标。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>Title</title>
<link href="../system/bootstrap/dist/css/bootstrap.css" rel="stylesheet">
<style>
.navbar {
min-height: 80px;
background-color: #FFFFFF;
border-bottom-color: #D8D8DD;
border-bottom-style: solid;
border-bottom-width: 1px;
}
</style>
</head>
<body>
<nav class="navbar navbar-expand-lg fixed-top navbar-light">
<a class="navbar-brand" href="#"><img src="logo-placeholder-150px-33px.png" ></a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navigation01">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navigation01">
<ul class="navbar-nav">
<li class="nav-item"><a class="nav-link active " href="#">Item 1</a></li>
<li class="nav-item"><a class="nav-link" href="#">Item 2</a></li>
<li class="nav-item"><a class="nav-link" href="#">Item 3</a></li>
</ul>
</div>
</nav>
<script src="../system/jquery/dist/jquery.js"></script>
<script src="../system/popper.js/dist/popper.js"></script>
<script src="../system/bootstrap/dist/js/bootstrap.js"></script>
</body>
</html>
在较小的视口中,菜单正确折叠,并且汉堡包图标可见。
但是,当我通过单击汉堡包图标打开菜单时,徽标的Y位置和汉堡包图标会更改。他们向顶部稍微移动。
如何解决这个问题?
答案 0 :(得分:2)
使用填充来增加导航栏的高度,而不是最小高度。它会解决您的问题。增加导航栏类的填充。
.navbar {
padding: .6rem 1rem;
background-color: #FFFFFF;
border-bottom-color: #D8D8DD;
border-bottom-style: solid;
border-bottom-width: 1px;
}
答案 1 :(得分:1)
您想改为更改navbar-brand
的最小高度,并从navbar
删除填充(py-0),以获取80px的确切最小高度...
<nav class="navbar navbar-expand-lg fixed-top navbar-light py-0">
<a class="navbar-brand align-items-center d-flex" href="#"><img src="//placehold.it/150x33"></a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navigation01">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navigation01">
<ul class="navbar-nav">
<li class="nav-item"><a class="nav-link active " href="#">Item 1</a></li>
<li class="nav-item"><a class="nav-link" href="#">Item 2</a></li>
<li class="nav-item"><a class="nav-link" href="#">Item 3</a></li>
</ul>
</div>
</nav>