页面练习-仿京东左侧导航条
1、本节主要是仿京东左侧导航条静态页面练习。
2、知识点:HTML,CSS。
3、练习代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>京东的左侧导航</title>
<link rel="stylesheet" href="./css/reset.css">
<style>
/* 设置body */
body{
/* 设置一个网页的背景,以使我们方便查看 */
background-color: #bfa;
}
/* 设置菜单外部容器 */
.left-nav{
/* 设置宽度 */
width: 190px;
/* 设置高度 */
height: 450px;
/* 设置padding */
padding: 10px 0;
/* 设置一个背景颜色 */
background-color: #fff;
margin: 50px auto;
}
/* 设置菜单内部的item */
.left-nav .item{
height: 25px;
/* 要让一个文字在父元素中垂直居中,只需将父元素的line-height设置为一个和父元素height一样的值 */
line-height: 25px;
/* 设置item的右内边距,将文字向内移动 */
padding-left: 18px;
/* 设置字体大小 */
font-size: 12px;
}
/* 设置/的距离 */
.item .line{
padding: 0 2px;
}
/* 为item设置一个鼠标移入的状态 */
.item:hover{
background-color: #d9d9d9;
}
/* 设置超链接的样式 */
.item a{
/* 设置字体大小 */
font-size: 14px;
/* 设置字体的颜色 */
color: #333;
/* 去除下划线 */
text-decoration: none;
}
/* 设置超链接的hover的样式 */
.item a:hover{
color: #c81623;
}
</style>
</head>
<body>
<!-- 创建一个外部的容器 nav(div) div(div) ul(li) -->
<nav class="left-nav">
<div class="item">
<a href="#">家用电器</a>
</div>
<div class="item">
<a href="#">手机</a><span class='line'>/</span><a href="#">运营商</a><span class='line'>/</span><a href="#">数码</a>
</div>
<div class="item">
<a href="#">电脑</a><span class='line'>/</span><a href="#">办公</a>
</div>
<div class="item">
<a href="#">家居</a><span class='line'>/</span><a href="#">家具</a><span class='line'>/</span><a href="#">家装</a><span class='line'>/</span><a href="#">厨具</a>
</div>
<div class="item">
<a href="#">男装</a><span class='line'>/</span><a href="#">女装</a><span class='line'>/</span><a href="#">童装</a><span class='line'>/</span><a href="#">内衣</a>
</div>
<div class="item">
<a href="#">美妆</a><span class='line'>/</span><a href="#">个护清洁</a><span class='line'>/</span><a href="#">宠物</a>
</div>
<div class="item">
<a href="#">女鞋</a><span class='line'>/</span><a href="#">箱包</a><span class='line'>/</span><a href="#">钟表</a><span class='line'>/</span><a href="#">珠宝</a>
</div>
<div class="item">
<a href="#">男鞋</a><span class='line'>/</span><a href="#">运动</a><span class='line'>/</span><a href="#">户外</a>
</div>
<div class="item">
<a href="#">房产</a><span class='line'>/</span><a href="#">汽车</a><span class='line'>/</span><a href="#">汽车用品</a>
</div>
<div class="item">
<a href="#">母婴</a><span class='line'>/</span><a href="#">玩具乐器</a>
</div>
<div class="item">
<a href="#">食品</a><span class='line'>/</span><a href="#">酒类</a><span class='line'>/</span><a href="#">生鲜</a><span class='line'>/</span><a href="#">特产</a>
</div>
<div class="item">
<a href="#">艺术</a><span class='line'>/</span><a href="#">礼品鲜花</a><span class='line'>/</span><a href="#">农资绿植</a>
</div>
<div class="item">
<a href="#">医药保健</a><span class='line'>/</span><a href="#">计生情趣</a>
</div>
<div class="item">
<a href="#">图书</a><span class='line'>/</span><a href="#">文娱</a><span class='line'>/</span><a href="#">电子书</a>
</div>
<div class="item">
<a href="#">机票</a><span class='line'>/</span><a href="#">酒店</a><span class='line'>/</span><a href="#">旅游</a><span class='line'>/</span><a href="#">生活</a>
</div>
<div class="item">
<a href="#">理财</a><span class='line'>/</span><a href="#">众筹</a><span class='line'>/</span><a href="#">白条</a><span class='line'>/</span><a href="#">保险</a>
</div>
<div class="item">
<a href="#">安装</a><span class='line'>/</span><a href="#">维修</a><span class='line'>/</span><a href="#">清洗</a><span class='line'>/</span><a href="#">二手</a>
</div>
<div class="item">
<a href="#">工业品</a>
</div>
</nav>
</body>
</html>
4、练习截图

5、练习注意事项:
- 要让一个文字在父元素中垂直居中,只需将父元素的line-height设置为一个和父元素height一样的值 。
- 注意设置超链接的样式,容易忽略下划线书否存在,
text-decoration:none;将下划线设置为无。 - 无特殊行内元素要设置样式,一般用标签span。

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