效果图
图1
图2
浮动显示信息、导航栏
HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>2023年9月14日</title>
<link rel="stylesheet" href="./css/index_style.css">
</head>
<body>
<span>导航</span>
<ul class="uc1">
<li class="uc11">首页</li>
<li>美食</li>
<li>旅行</li>
<li>健身</li>
<li>学习</li>
</ul>
<span class="sc">美食分类
<ul>
<li>糖醋里脊</li>
<li>地三鲜</li>
<li>皮蛋豆腐</li>
</ul>
</span>
</body>
</html>
CSS
ul.uc1{
/* background-color: antiquewhite; */
margin: 30px;
list-style: none;
overflow: hidden;
}
ul.uc1 > li{
width: 200px;
height: 30px;
background-color: aqua;
float: left;
line-height: 30px;
text-align: center;
}
ul.uc1 > li.uc11{
color: white;
background-color: blue;
}
ul.uc1 > li:hover{
color: white;
background-color: blue;
/* 将鼠标的样式改为小手 */
cursor: pointer;
}
*{
margin: 0;
padding: 0;
}
span.sc{
background-color: blue;
color: white;
position: relative;
padding: 10px;
border-radius: 6px;
margin: 20px;
font-size: 18px;
}
span.sc:hover > ul{
display: block;
}
span.sc > ul{
display: none;
list-style: none;
max-width: 200px;
min-width: 100px;
background-color: black;
color: white;
position: absolute;
left: 30px;
top: 40px;
border-radius: 10px;
padding: 10px;
font-family: '楷体';
font-size: 16px;
}
仅供学习，参考使用，可一起交流，前进！前进！前进！