[英]Keep underline for nav element on current page
In this codepen demo , I able to animate the displaying of an underline on nav elements.在这个 codepen 演示中,我能够动画显示导航元素上的下划线。 But, how do I keep the underline on the current page?
但是,如何在当前页面上保留下划线? The current page is titled Support-Tracker.
当前页面的标题是 Support-Tracker。
css: css:
.navbar .navbar-nav .nav-item .nav-link {
position: relative;
text-decoration: none;
font-size: 1.2em;
font-weight: bold;
color: white;
cursor: pointer;
padding-right: 2em;
padding-left: 2em;
justify-content: center;
}
.navbar .navbar-nav .nav-item .nav-link::before {
content: "";
position: absolute;
width: 100%;
height: 2px;
bottom: 0;
left: 0;
background-color: #FFF;
visibility: hidden;
transform: scaleX(0);
transition: all 0.3s ease-in-out 0s;
}
.navbar .navbar-nav .nav-item .nav-link:hover::before {
visibility: visible;
transform: scaleX(1);
}
nav element:导航元素:
<nav class="navbar navbar-expand-lg navbar-dark navbar-custom">
<ul class="navbar-nav">
<li class="nav-item"><a class="nav-link">EU34</a></li>
<li class="nav-item"><a class="nav-link">Support-Tracker</a></li>
<li class="nav-item"><a class="nav-link">CNDNet Rolling Log</a></li>
</ul>
</nav>
When you access the specific page you add the "targeted" navigation item (.nav-item) an class, like "active" or "current-page".当您访问特定页面时,您将添加“目标”导航项 (.nav-item) 一个类,例如“活动”或“当前页面”。
If you done this and added the following CSS Code to your css file, everything should work fine.如果您完成此操作并将以下 CSS 代码添加到您的 css 文件中,则一切正常。
.navbar .navbar-nav .nav-item.current-page .nav-link::before {
visibility: visible;
transform: scaleX(1);
}
-- ——
So your navbar on the current page looks something like that:所以当前页面上的导航栏看起来像这样:
<ul class="navbar-nav">
<li class="nav-item"><a class="nav-link">EU34</a></li>
<li class="nav-item current-page"><a class="nav-link">Support-Tracker</a></li>
<li class="nav-item"><a class="nav-link">CNDNet Rolling Log</a></li>
</ul>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.