css3动画：开始给图片加了个透明度opacity：0.9，给figure最外面容器加和图片颜色相近的背景色，比如这个加的是黑色，给div最开始加个旋转0度，划过360度，文字刚开始透明度0，划过透明度1
代码
<!DOCTYPE html>
<html lang="en">
<head>
???<meta charset="UTF-8">
???<title>Title</title>
???<style>
???????body,ol,ul,h1,h2,h3,h4,h5,h6,p,th,td,dl,dd,form,fieldset,legend,input,textarea,select,figure,figcaption{margin:0;padding:0}
???????body{font:14px"微软雅黑","Arial Narrow",HELVETICA;}
???????figure{
???????????float: left;
???????????width: 33%;
???????????overflow: hidden;
???????????position: relative;
???????????background: #2f0000;
???????}
???????figure img{
???????????height: 400px;
???????????opacity: 0.9;
???????????transition: all 0.35s;
???????}
???????figcaption{
???????????position: absolute;
???????????left: 0;
???????????top: 0;
???????????width: 100%;
???????????height: 100%;
???????}
???????figcaption h3{
???????????color: #ffffff;
???????????margin: 10% 0 0 12%;
???????????transition: all 1s;
???????????transform: translate(0,50px);
???????????opacity: 0;
???????}
???????figcaption p{
???????????background:#ffffff;
???????????color: ?#000000;
???????????margin:15px;
???????????font-size: 13px;
???????????text-align: center;
???????????width: 130px;
???????????height: 20px;
???????????line-height: 20px;
???????????transition: all 1s;
???????????margin: 2% 0 0 12%;
???????????transform: translate(0,50px);
???????????opacity: 0;
???????}
???????figcaption div{
???????????border: 1px solid #cccccc;
???????????width: 80%;
???????????height: 80%;
???????????position: absolute;
???????????top: 10%;
???????????left: 10%;
???????????transform: translate(0,-400px) rotate(0deg);
???????????transition: all 1s;
???????}
???????figure:hover figcaption h3{
???????????transform: translate(0,0);
???????????opacity: 1;
???????}
???????figure:hover figcaption p{
???????????transform: translate(0,0);
???????????opacity: 1;
???????}
???????figure:hover figcaption div{
???????????transform: translate(0,0) rotate(360deg);
???????}
???????figure:hover img{
???????????opacity: 0.6;
???????}
???</style>
</head>
<body>
<figure>
???<img src="image/002.jpg">
???<figcaption>
???????<h3>标题标题</h3>
???????<p>文字文字文字文字</p>
???????<div></div>
???</figcaption>
</figure>
<figure>
???<img src="image/003.jpg">
???<figcaption>
???????<h3>标题标题</h3>
???????<p>文字文字文字文字</p>
???</figcaption>
</figure>
</body>
</html>
css3动画划过有一个框
原文地址：https://www.cnblogs.com/yuanyuan-1994/p/8718206.html