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Note1
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>滤镜</title>
<style type="text/css">
img{
width: 400px;
margin: auto;
height: 400px;
display: block;
/*滤镜属性*/
/*-webkit-filter:grayscale(0.5)*/
transition:all 15s;
/*sepia:*/
/*褐色属性*/
/*-webkit-filter:sepia(0.5);*/
/*设置模糊度
注意括号的单位*/
/*-webkit-filter:blur(5px)*/
/*设置对比度
正常值是1
数值越小就灰，0时就为灰色
反之则越白*/
/*-webkit-filter:contrast(0.5);*/
/*设置饱和度*/
/*-webkit-filter:saturate(2);*/
/*设置胶片底色
/*-webkit-filter:invert(1);*/
/*另外还有胶片的旋转
注意旋转角度的单位，deg是选转的度数
-webkit-filter:hue-rotate(20deg);
*/
-webkit-filter:brightness(10) grayscale(1)
}
img:hover{
/*-webkit-filter:none*/
-webkit-filter:brightness(1);
}
</style>
</head>
<body>
<img src="favor_images/ice%20cream.jpg" alt=""/>
</body>
</html>