我是Angular/Bootstrap的新手,目前正在尝试将图像放在左上角导航栏的顶部。使用填充/边距可以解决正常分辨率/静态屏幕大小的问题,更改大小会将图像放在其他地方。
我尝试使用填充和边距,但正如我所说,在更改浏览器骰子时,不可能使其在左上角"粘性"。同样使用引导类,例如"右拉"(仅用于测试用例(不起作用。
我当前的代码如下所示:
<header>
<div class="cloud">
<!-- Navigation -->
<nav class="navbar navbar-expand-lg navbar-dark $green static-top">
<div class="container">
<a class="navbar-brand" href="#">
<img src="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-logo.svg?v=a010291124bf" class="pull-right" alt="" width="431.27" height="55.35">
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive"
aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarResponsive">
<ul class="navbar-nav ml-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home
<span class="sr-only">(current)</span>
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Profile</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Impressum</a>
</li>
</ul>
</div>
</div>
</nav>
</div>
<div class="first">
<h1>TestSite</h1>
</div>
</header>
我希望左上角的图像在更改浏览器大小/设备时响应地保留在那里
请检查
此代码以查看这是否是所需的结果。此处提供完整的工作演示
对代码所做的主要更改是。
- 添加了 CSS 类
bg-dark
并删除了导航上的$green static-top
。<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
- 使用 CSS 将品牌图像的宽度固定为 50%。这可以更改为其他值。
- 从标记中删除
width
和height
属性img
。
.navbar-brand img{
width: 50%;
}
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet"/>
<!--
Bootstrap docs: https://getbootstrap.com/docs
-->
<div class="container">
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<div class="container">
<a class="navbar-brand" href="#">
<img src="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-logo.svg?v=a010291124bf">
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive"
aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarResponsive">
<ul class="navbar-nav ml-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home
<span class="sr-only">(current)</span>
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Profile</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Impressum</a>
</li>
</ul>
</div>
</div>
</nav>
</div>