3D盒子

<!DOCTYPE html>
<html lang="zh-CN">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>HTML+CSS 3D盒子</title>
		<link rel="stylesheet" href="css/index.css">
	</head>
	<body>
		<section>
			<div><img src="images/1.jpg" alt="" /></div>
			<div><img src="images/2.jpg" alt="" /></div>
			<div><img src="images/3.jpg" alt="" /></div>
			<div><img src="images/4.jpg" alt="" /></div>
			<div><img src="images/5.jpg" alt="" /></div>
			<div><img src="images/6.jpg" alt="" /></div>
			<div><img src="images/1.jpg" alt="" /></div>
			<div><img src="images/2.jpg" alt="" /></div>
			<div><img src="images/3.jpg" alt="" /></div>
			<div><img src="images/4.jpg" alt="" /></div>
			<div><img src="images/5.jpg" alt="" /></div>
			<div><img src="images/6.jpg" alt="" /></div>
		</section>
	</body>
</html>
<style>* {
	/* 初始化 取消页面的内外边距 */
	padding: 0;
	margin: 0;
}
body {
	/* 弹性布局 让页面元素垂直+水平居中 */
	display: flex;
	justify-content: center;
	align-items: center;
	/* 让页面始终占浏览器总高 */
	height: 100vh;
	background-color: #000;
	/* 视距 增加盒子的立体感 */
	perspective: 1000px;
}
section {
	/* 相对定位 */
	position: relative;
	width: 150px;
	height: 150px;
	/* 让子元素保留其3D位置 */
	transform-style: preserve-3d;
	/* 动画 名称 时长 linear 是匀速运动 infinite是无限次播放 */
	animation: rotate 5s linear infinite;
}
section div {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: #fff;
	transition: all 1s;
}
section div img {
	width: 100%;
	height: 100%;
}
section div:nth-child(1) {
	transform: translateZ(75px);
}
section:hover div:nth-child(1) {
	transform: translateZ(200px);
}
section div:nth-child(2) {
	transform: rotateX(-180deg) translateZ(75px);
}
section:hover div:nth-child(2) {
	transform: rotateX(-180deg) translateZ(200px);
}
section div:nth-child(3) {
	transform: rotateX(90deg) translateZ(75px);
}
section:hover div:nth-child(3) {
	transform: rotateX(90deg) translateZ(200px);
}
section div:nth-child(4) {
	transform: rotateX(-90deg) translateZ(75px);
}
section:hover div:nth-child(4) {
	transform: rotateX(-90deg) translateZ(200px);
}
section div:nth-child(5) {
	transform: rotateY(90deg) translateZ(75px);
}
section:hover div:nth-child(5) {
	transform: rotateY(90deg) translateZ(200px);
}
section div:nth-child(6) {
	transform: rotateY(-90deg) translateZ(75px);
}
section:hover div:nth-child(6) {
	transform: rotateY(-90deg) translateZ(200px);
}
section div:nth-child(7) {
	transform: translateZ(75px);
}
section div:nth-child(8) {
	transform: rotateX(-180deg) translateZ(75px);
}
section div:nth-child(9) {
	transform: rotateX(90deg) translateZ(75px);
}
section div:nth-child(10) {
	transform: rotateX(-90deg) translateZ(75px);
}
section div:nth-child(11) {
	transform: rotateY(90deg) translateZ(75px);
}
section div:nth-child(12) {
	transform: rotateY(-90deg) translateZ(75px);
}

@keyframes rotate {
	0% {
		transform: rotateY(0) rotateX(0);
	}
	100% {
		transform: rotateY(360deg) rotateX(360deg);
	}
}

10-1

<!doctype html>
<htm1 >
<head>
<meta charset="utf- 8">
<title>CSS精灵</title>
</head>
<body>
<ul>
<li class="box1">聊天</11>
<li class="box2">下载</1i>
<li class="box3">视频</1i>
<1i class="box4">记事本</1i>
<1i class="box5">博客</1i>
</ul>
</body>
</html>

10-2

<!doctype html>
<htm1 >
<head>
<meta charset="utf-8">
<title>css滑动门技术</title>
</head>
<body>
<ul class="all">
<li>
<span class="one"></span><a href="#"> 首页</a><span class="two">
</span>
</1i>
<1i>
<span class="one"></span><a href="#">公司产品</a><span class="two">
</span>
</li>
<li>
<span class="one"></span><a href="#">就业指导信息</a><span class="two"> </span>
</li>
<li>
</span>
<span class=" one"></span><a href="#"> 留言薄</a><span class="two">
</li>
<1i>
<span class="one"></span><a href="#">添加友情链接</a><span class="two">
</li>
</u1>
</body>
</html>

10-3

<!doctype html>
<htm1 >
<head>
<meta charset="utf-8">
<title>对同级标签应用margin负值</title>
<style type="text/css ">
div{
width: 120px;
height: 48px;
background:#0CF;
float:left;
opacity:0.7 ;
border:2px solid #FFE;
border-radius: 50px;
text-align: center ;
line-height: 48px;
color: #000;
}
.second,.third,.fourth{
margin-left:-15pX;
}
</style>
</head>
<body>
<div class="first">首页</div>
<div class="second">公司简介</div>
<div class="thi rd">产品</div>
<div class="fourth">联系我们</div>
</body>
</htm1>

10-4

<!doctype html>
<html >
<head>
<meta charset="utf-8">
<title>对子标签应用margin负值</title>
<style type="text/css">
.big{
width: 400px;
height: 50px;
border: 2px solid #aaa;
border-radius: 50px;
background-color: #F36;
margin: 40px auto;
}
.smal1{
width: 80px;
height: 50px;
background-color:#FFF;
border:2px 
solid #CCC;
margin-top:-30px;
margin-left: 30px;
}
</style>
</head>
<body>
<div class="big">
<div class=" small "></div>
</div>
</body>
</html>

10-5

<!doctype html>
<html >
<head>
<meta charset="utf-8">
<title>登录注册模块</title>
</head>
<body>
<div class="yaxian">
<a href="#" class="one"></a>
<<a href="#" class="two"></a>
<a href="#" class="three"></a>
</div>
</body>
</html>