<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<style>
*{
margin: 0;
padding: 0;
list-style: none;
}
.box{
100%;
height: 300px;
}
.box img{ 100%}
.blur {
filter: url(blur.svg#blur); /* FireFox, Chrome, Opera */
-webkit-filter: blur(40px); /* Chrome, Opera */
-moz-filter: blur(40px);
-ms-filter: blur(40px);
filter: blur(40px);
filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius=10, MakeShadow=false); /* IE6~IE9 */
}
</style>
<body>
<div class="box">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="" class=" blur">
</div>
</body>
</html>