tenman/blur.html

## blur.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
	"http://www.w3.org/TR/html4/strict.dtd">

<html lang="ja" dir="ltr">

<head>
	<meta http-equiv="content-type" content="text/html; charset=utf-8">
	<meta http-equiv="content-script-type" content="text/javascript">
	<meta http-equiv="content-style-type" content="text/css">
	<title>背景にblurをかけてぼかす</title>
<style>
body{
	margin:0;
	padding:0;
}
.test-container{
  background: url(http://www.tenman.info/images/pen.jpg) no-repeat 50% fixed;
	margin:0;
	padding:200px 20px;
	height:768px;

}

.box{
/* ぼけた背景をinheritして、z-indexでコンテンツを前面に出す*/

	margin:0;padding:0;
	background:inherit;
	color:#fff;
	font-size:16px;
	height:300px;
	position:relative;
	z-index:1;
	border:1px solid rgba(222,222,222,.6);
}

.box:before {
/* box全体に配置して、その背景をぼかして、z-index -1で背景に設定*/
	content: '';
	position:absolute;
	top: 0;
	left:0;
	right:0;
	bottom:0;
	background: inherit;
	filter: blur(5px);
	-webkit-filter: blur(6px);
	-moz-filter: blur(6px);
	-o-filter: blur(6px);
	-ms-filter: blur(6px);
	z-index:-1;
	filter: url(#blur);filter:progid:DXImageTransform.Microsoft.Blur(PixelRadius='6');
	/*background-position:-20px -200px;*/ /*padding:100px 20px;と連動 fixed にしない場合？　*/
}
</style>
</head>

<body>
<div class="test-container">
	<div class="box">
	<div style="position:static">
	<!--position absoluteだと、配置が大変なので、staticに戻す-->
	<p style="margin:20px;">
	Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>

	</div>
	</div>
</div>


</body>

</html>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
	"http://www.w3.org/TR/html4/strict.dtd">

	<html lang="ja" dir="ltr">

	<head>
	<meta http-equiv="content-type" content="text/html; charset=utf-8">
	<meta http-equiv="content-script-type" content="text/javascript">
	<meta http-equiv="content-style-type" content="text/css">
	<title>背景にblurをかけてぼかす</title>
	<style>
	body{
	margin:0;
	padding:0;
	}
	.test-container{
	background: url(http://www.tenman.info/images/pen.jpg) no-repeat 50% fixed;
	margin:0;
	padding:200px 20px;
	height:768px;

	}

	.box{
	/* ぼけた背景をinheritして、z-indexでコンテンツを前面に出す*/

	margin:0;padding:0;
	background:inherit;
	color:#fff;
	font-size:16px;
	height:300px;
	position:relative;
	z-index:1;
	border:1px solid rgba(222,222,222,.6);
	}

	.box:before {
	/* box全体に配置して、その背景をぼかして、z-index -1で背景に設定*/
	content: '';
	position:absolute;
	top: 0;
	left:0;
	right:0;
	bottom:0;
	background: inherit;
	filter: blur(5px);
	-webkit-filter: blur(6px);
	-moz-filter: blur(6px);
	-o-filter: blur(6px);
	-ms-filter: blur(6px);
	z-index:-1;
	filter: url(#blur);filter:progid:DXImageTransform.Microsoft.Blur(PixelRadius='6');
	/background-position:-20px -200px;/ /padding:100px 20px;と連動 fixed にしない場合？　/
	}
	</style>
	</head>

	<body>
	<div class="test-container">
	<div class="box">
	<div style="position:static">
	<!--position absoluteだと、配置が大変なので、staticに戻す-->
	<p style="margin:20px;">
	Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>

	</div>
	</div>
	</div>



	</body>

	</html>