代碼如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文檔</title>
<style type="text/css">
.trans {
-webkit-transition: 0.3s ease;
-moz-transition: 0.3s ease;
-ms-transition: 0.3s ease;
-o-transition: 0.3s ease;
transition: 0.3s ease;
}
.test_outer {
display: block;
width: 200px;
height: 200px;
margin: 1em auto;
position: relative;
overflow: hidden;
}
.test_cover {
width: 40px;
height: 40px;
border: 200px solid rgba(0, 0, 0, .35);
border-radius: 50%;
position: absolute;
left: -115px;
top: -165px;
}
.test_cover:hover {