菜单列表项目:全角(边框底部)?

问题描述 投票:3回答:2

我有一个列表菜单。在小宽度上,我希望边框底部使用完整宽度:

enter image description here

HTML:

<div id="wrapper">
    <ul id="menu">
        <li class="active"><a href="#">Item 1</a></li>
        <li><a href="#">Item 2 with Text</a></li>
        <li><a href="#">Item 3 with more Text</a></li>
        <li><a href="#">Item 4</a></li>
        <li><a href="#">Item 5 with Text</a></li>
    </ul>
</div>

CSS:

#menu li {
    display: inline-block;
}
#menu li:not(.active) {
    border-bottom: 2px solid #ccc;
}
#menu li.active {
    border-bottom: 2px solid red;
}
#menu li a {
    padding: .5em 1em;
    box-sizing: border-box;
    display: block;
}

测试:Fiddle

css list menu
2个回答
3
投票
没有背景图像,您将不得不发挥创意。怎么样...

var li = $("#menu li"); li.click(function () { li.removeClass("active"); $(this).addClass("active"); });
body {
    background-color: #eee;
}
#wrapper {
    width: 300px;
    padding: 1em;
    background-color: #fff;
}
a {
    color:inherit;
    text-decoration: none;
}
#menu {
    overflow: hidden;
    list-style:inline;
    padding: 0 0 2px;
    -webkit-margin-before: 0;
    -webkit-margin-after: 0;
    margin: 0 1em 1em;
}
#menu li {
    display: inline-block;
	margin-top: 2px;
    margin-bottom: -2px;
    position: relative;
    z-index: 2;
}
#menu li:after {
    content: " ";
	position: absolute;
	bottom: -2px;
	right: -1000px;
	width: 1000px;
	height: 0;
	border-bottom: 2px solid #ccc;
	z-index: 1;
}
#menu li:not(.active) {
    border-bottom: 2px solid #ccc;
}
#menu li.active {
    border-bottom: 2px solid red;
}
#menu li:not(:last-of-type) {
    margin-right: -.275em;
}
#menu li a {
    padding: .5em 1em;
    box-sizing: border-box;
    display: block;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="wrapper">
    <ul id="menu">
        <li class="active"><a href="#">Item 1</a></li>
        <li><a href="#">Item 2 with Text</a></li>
        <li><a href="#">Item 3 with more Text</a></li>
        <li><a href="#">Item 4</a></li>
        <li><a href="#">Item 5 with Text</a></li>
    </ul>
</div>

1
投票
flexbox(由Luis P.A.提及)可以通过用全宽度li填充ul并根据需要进行包装来提供帮助。

Flexbox支持是IE10及更高版本。

var li = $("#menu li"); li.click(function() { li.removeClass("active"); $(this).addClass("active"); });
* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
body {
  background-color: #eee;
}
#wrapper {
  width: 300px;
  padding: 1em;
  background-color: #fff;
}
a {
  color: inherit;
  text-decoration: none;
}
#menu {
  list-style: none;
  padding: 0;
  -webkit-margin-before: 0;
  -webkit-margin-after: 0;
  margin: 0 1em 1em;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
}
#menu li {
  flex: 1 1 auto;
  position: relative;
}
#menu li:not(.active) {
  border-bottom: 2px solid #ccc;
}
#menu li.active {
  border-bottom: 2px solid red;
}
#menu li:not(:last-of-type) {} #menu li a {
  padding: .5em 0;
  box-sizing: border-box;
  display: block;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="wrapper">
  <ul id="menu">
    <li class="active"><a href="#">Item 1</a>
    </li>
    <li><a href="#">Item 2 with Text</a>
    </li>
    <li><a href="#">Item 3 with more Text</a>
    </li>
    <li><a href="#">Item 4</a>
    </li>
    <li><a href="#">Item 5 with Text</a>
    </li>
  </ul>
</div>
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