Html 向引导的固定顶部导航栏添加黑色背景
我在为我的引导导航栏添加固定的黑色背景时遇到了很多麻烦。在我的CSS中,我声明背景颜色为黑色,但它似乎没有改变任何东西。我自己的CSS是在bootstrap的核心CSS之后声明的,所以它不会被默认颜色覆盖。导航栏显示为透明,带有不透明字体。不确定问题出在哪里,尤其是因为我已经声明了导航栏的颜色 以下是导航栏的HTML:Html 向引导的固定顶部导航栏添加黑色背景,html,css,twitter-bootstrap,navbar,background-color,Html,Css,Twitter Bootstrap,Navbar,Background Color,我在为我的引导导航栏添加固定的黑色背景时遇到了很多麻烦。在我的CSS中,我声明背景颜色为黑色,但它似乎没有改变任何东西。我自己的CSS是在bootstrap的核心CSS之后声明的,所以它不会被默认颜色覆盖。导航栏显示为透明,带有不透明字体。不确定问题出在哪里,尤其是因为我已经声明了导航栏的颜色 以下是导航栏的HTML: <div class="jumbotron"> <div class="container"> <nav class="navbar f
<div class="jumbotron">
<div class="container">
<nav class="navbar fixed-top">
<div class="navbar-fixed-top container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li><a href="#linktotop">Home</a></li>
<li><a href="#">About</a></li>
<li>
<a href="#" role="button" aria-haspopup="true" aria-expanded="false">Personal Projects<span class="caret"></span></a>
</li>
<li><a href="#">Bullet Blog</a></li>
<li><a href="#">Contact</a></li>
</ul>
</div>
</div>
</nav
将css从
.jumbotron-navbar-fixed-top
容器更改为.jumbotron.navbar-fixed-top.container
我在这里更新了您的代码检查
.jumbotron.navbar-fixed-top.container{
背景:#2E2F31;
位置:固定;
宽度:100%;
}
.导航栏导航李a{
颜色:白色;
字体大小:16px;
}
导航栏导航李a:悬停{
背景:#BFC1C3;
}
.navbar.navbar导航下拉菜单li a:悬停{
背景:#BFC1C3;
}
-
我想这正是您需要的
<head>
<link rel="stylesheet" href="farji.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class=" jumbotron">
<div class="container">
<!-- Header -->
<nav class="navbar-fixed-top navbar-inverse">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li class="active"><a href="#">Home <span class="sr-only">(current)</span></a></li>>
<li><a href="#">About</a></li>
<li>
<a href="#" role="button" aria-haspopup="true" aria-expanded="false">Personal Projects<span class="caret"></span></a>
</li>
<li><a href="#">Bullet Blog</a></li>
<li><a href="#">Contact</a></li>
</ul>
</div>
</div>
</nav>
</div>
</div>
</body>
你的语法错了。应该是
.jumbotron.container.navbar fixed top
.jumbotron.navbar fixed top.container试试看,.navbar{背景色:#21212121;}或者使用bootstrapThanks的“navbar反转”类!多么简单的修复。我所做的只是在css中更改navbar标签的语法。
<head>
<link rel="stylesheet" href="farji.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class=" jumbotron">
<div class="container">
<!-- Header -->
<nav class="navbar-fixed-top navbar-inverse">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li class="active"><a href="#">Home <span class="sr-only">(current)</span></a></li>>
<li><a href="#">About</a></li>
<li>
<a href="#" role="button" aria-haspopup="true" aria-expanded="false">Personal Projects<span class="caret"></span></a>
</li>
<li><a href="#">Bullet Blog</a></li>
<li><a href="#">Contact</a></li>
</ul>
</div>
</div>
</nav>
</div>
</div>
</body>
.navbar-inverse {
background-color: #122c46;
border-color: #122c46;
}