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如何让此过渡开始从元素的中心移开?Twitter Bootstrap导航栏悬停效果 - 过渡边框从中心展开
这是我的CSS:
/* Navbar */
.navbar-fixed-top{
top: 80px;
}
.navbar-default{ /* assigning the top bar to the entire navbar div element */
background-color: #4F4F4F;
}
nav.navbar { box-shadow: 0 0 2px 0 #ccc; }
nav.navbar a { color: #FF7D36; }
nav.navbar ul.navbar-nav a { color: #FF7D36; border-style: solid; border-width: 0 0 2px 0; border-color: #000; }
nav.navbar ul.navbar-nav a:hover,
nav.navbar ul.navbar-nav a:visited,
nav.navbar ul.navbar-nav a:focus,
nav.navbar ul.navbar-nav a:active { background: #000; }
nav.navbar ul.navbar-nav a:hover
{
border-color: #FF7D36;
transition: border 0.5s ease-in-out;
}
过渡工作正常,但我想,边界从中心扩展到左,右...... 谢谢!
编辑:过渡工作了,但我使用Twitter的引导 导航栏......当我用一个小的设备和链路现在 垂直放置,没有填充左的一个元素, ,因为它是绝对定位...希望你明白。 (所以我有 左侧浏览器端和一个元素之间没有距离)
看到这里我的工作示例(当你调整针对移动设备的浏览器,你可以看到,没有距离再)
/* Navbar */
.navbar-fixed-top{
top: 80px;
}
.navbar-default{ /* assigning the top bar to the entire navbar div element */
background-color: #4F4F4F;
}
nav.navbar {
box-shadow: 0 0 2px 0 #ccc;
}
nav.navbar a {
color: #FF7D36;
}
nav.navbar ul.navbar-nav a {
color: #FF7D36;
border-style: solid;
border-width: 0 0 2px 0;
border-color: #000;
}
nav.navbar ul.navbar-nav a:hover,
nav.navbar ul.navbar-nav a:visited,
nav.navbar ul.navbar-nav a:focus,
nav.navbar ul.navbar-nav a:active {
background: #000;
}
nav.navbar ul.navbar-nav a {
text-decoration: none;
position: relative;
display: inline-block;
}
nav.navbar ul.navbar-nav a::after {
content: '';
width: 100%;
position: absolute;
top: 100%;
left: 0;
height: 2px;
background-color: #FF7D36;
transform: scaleX(0);
transition: transform .35s ease;
}
nav.navbar ul.navbar-nav a:hover::after {
transform: scaleX(1);
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Basic Bootstrap Template</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- Optional Bootstrap theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
</head>
<body>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Navigation ein-/ausblenden</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Projekt-Titel</a>
</div>
<div id="navbar" class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Start</a></li>
<li><a href="#ueber">Über</a></li>
<li><a href="#kontakt">Kontakt</a></li>
</ul>
</div><!--/.nav-collapse -->
</div>
</nav>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</body>
</html> \t \t
这会工作,但我使用Twitter的引导导航栏......当我使用一个小设备和链接现在垂直放置,a元素中没有填充,因为它是绝对定位的......希望你明白。 (所以我没有左侧浏览器端和a元素之间的距离) – goldlife
我已更新我的问题。谢谢... – goldlife
行..那么你想在这种情况下边界做什么? –