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(function(){

var patterns = document.querySelectorAll('#patterns > li'),
	recentPattern = null,
	currentPattern = null;

for(var i=0; i<patterns.length; i++) {
	var pattern = patterns[i];
	
	var div = document.createElement('div'),
		heading = div.appendChild(document.createElement('h2')),
		code = document.createElement('textarea'),
		title = pattern.getAttribute('title'),
		close = div.appendChild(document.createElement('a'));
	
	pattern.id = title.toLowerCase().replace(/\s+/g, '-');
	
	heading.innerHTML = '<a href="#' + pattern.id + '">' + title + '</a>';
	
	code.value = pattern.getAttribute('style');
	code.setAttribute('data-subject', '#patterns li:nth-child(' + (i+1) + ')');
	code.setAttribute('wrap', 'off');
	code.oninput = function() {
		var byteSize = this.parentNode.querySelector('.bytesize');
		
		if(byteSize) {
			byteSize.innerHTML = ByteSize.format(ByteSize.count(this.value), true);
		}
	}
	
	close.className = 'close';
	close.href = '#';
	close.innerHTML = '✖';
	
	if(window.ByteSize) {
		heading.innerHTML += ' <span class="bytesize">(' + ByteSize.format(ByteSize.count(code.value), true) + ')</span>';
	}
	
	var author = pattern.getAttribute('data-author');
	if(author) {
		var p = div.appendChild(document.createElement('p')),
			authorUrl = pattern.getAttribute('data-author-url');
		p.innerHTML = 'by ' + (authorUrl? '<a href="' + authorUrl + '">' + author + '</a>' : author);
	}
	
	div.appendChild(code);
	
	pattern.appendChild(div);
	
	pattern.onclick = function(evt) {
		// Firefox has focus issues if we don't restrict this
		if(!/textarea/i.test(evt.target.nodeName)) {
			location.hash = '#' + this.id;
		}
	};
	
	pattern.snippet = new CSSSnippet(code);
	
	window.Incrementable && new Incrementable(code);
}
/*
(onhashchange = function() {
	var pattern = location.hash? document.querySelector('#patterns li' + location.hash) : null;
	
	if(pattern) {
		recentPattern = currentPattern = pattern;
		document.body.setAttribute('style', pattern.getAttribute('style'));
		pattern.snippet.subjects[1] = document.body;
	}
	else {
		currentPattern = null;
		document.body.removeAttribute('style');
		
		if(recentPattern) {
			delete recentPattern.snippet.subjects[1];
		}
	}
})();
*/
})();

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8" />
	<title>CSS3 Patterns Gallery</title>
</head>
<body>
	<h1>CSS3 Patterns Gallery</h1>

<ul id="help">
		<li>Click on a pattern to expand</li>
		<li>Textareas are editable</li>
		<li><a href="#browser-support">Browser support</a></li>
		<li><a href="#new-submissions">Submit a new one</a></li>
		<li><a href="https://github.com/LeaVerou/CSS3-Patterns-Gallery">Github repo</a></li>
		<li>Enjoy!</li>
	</ul>
	<ul id="patterns">
		<li style="background: #36c;
background: 
	linear-gradient(-25deg, transparent 75%, rgba(255,255,255,.8) 75%) 0 0,
	linear-gradient(-155deg, transparent 75%, rgba(255,255,255,.8) 75%) 0 0,
	linear-gradient(-25deg, transparent 75%, rgba(255,255,255,.8) 75%) 7px -15px,
	linear-gradient(-155deg, transparent 75%, rgba(255,255,255,.8) 75%) 7px -15px,
	#36c;
background-size: 15px 30px" title="Half-Rombes" data-author="Valentin Agachi" data-author-url="http://agachi.name/"></li>

<li style="background: 
  radial-gradient(60% 43%, closest-side circle, #b03 26%, rgba(187,0,51,0) 27%),
  radial-gradient(40% 43%, closest-side circle, #b03 26%, rgba(187,0,51,0) 27%),
  radial-gradient(40% 22%, closest-side circle, #d35 45%, rgba(221,51,85,0) 46%),
  radial-gradient(60% 22%, closest-side circle, #d35 45%, rgba(221,51,85,0) 46%),
  radial-gradient(50% 35%, closest-side circle, #d35 30%, rgba(221,51,85,0) 31%),

radial-gradient(60% 43%, closest-side circle, #b03 26%, rgba(187,0,51,0) 27%) 50px 50px,
  radial-gradient(40% 43%, closest-side circle, #b03 26%, rgba(187,0,51,0) 27%) 50px 50px,
  radial-gradient(40% 22%, closest-side circle, #d35 45%, rgba(221,51,85,0) 46%) 50px 50px,
  radial-gradient(60% 22%, closest-side circle, #d35 45%, rgba(221,51,85,0) 46%) 50px 50px,
  radial-gradient(50% 35%, closest-side circle, #d35 30%, rgba(221,51,85,0) 31%) 50px 50px;
background-color:#b03;
background-size:100px 100px;" title="Hearts"></li>
		
		<li style="background-color: #6d695c;
background-image:
  repeating-linear-gradient(-30deg, rgba(255,255,255,.1), rgba(255,255,255,.1) 1px, transparent 1px, transparent 60px),
  repeating-linear-gradient(30deg, rgba(255,255,255,.1), rgba(255,255,255,.1) 1px, transparent 1px, transparent 60px),
  linear-gradient(30deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1)),
  linear-gradient(-30deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1));
background-size: 70px 120px;" title="Argyle" data-author="Anna Kassner" data-author-url="http://annamation.ca/"></li>

<li style="background-color: #FF7D9D;
background-size: 58px 58px;
background-position: 0px 2px, 4px 35px, 29px 31px, 33px 6px,
  0px 36px, 4px 2px, 29px 6px, 33px 30px;
background-image: 
  linear-gradient(115deg, #C90032 23px, transparent 23px),
  linear-gradient(295deg, #C90032 23px, transparent 23px),
  linear-gradient(115deg, #C90032 23px, transparent 23px),
  linear-gradient(295deg, #C90032 23px, transparent 23px),

linear-gradient(115deg, #C90032 10px, transparent 10px),
  linear-gradient(295deg, #C90032 10px, transparent 10px),
  linear-gradient(115deg, #C90032 10px, transparent 10px),
  linear-gradient(295deg, #C90032 10px, transparent 10px);"
  		title="Steps" data-author="Nicolas Gallagher" data-author-url="http://nicolasgallagher.com/"></li>
  		
		<li style="background: 
  radial-gradient(100% 50%, circle, transparent 20%, rgba(255,255,255,.3) 21%, rgba(255,255,255,.3) 34%, transparent 35%, transparent),
  radial-gradient(0% 50%, circle, transparent 20%, rgba(255,255,255,.3) 21%, rgba(255,255,255,.3) 34%, transparent 35%, transparent) 0 -50px;
background-color: slategray;
background-size:75px 100px;" title="Waves"></li>
		
		<li style="background: 
	radial-gradient(circle, transparent 20%, slategray 20%, slategray 80%, transparent 80%, transparent),
	radial-gradient(circle, transparent 20%, slategray 20%, slategray 80%, transparent 80%, transparent) 50px 50px,
	linear-gradient(#A8B1BB 8px, transparent 8px) 0 -4px,
	linear-gradient(0, #A8B1BB 8px, transparent 8px) -4px 0;
background-color: slategray;
background-size:100px 100px, 100px 100px, 50px 50px, 50px 50px;" title="Cross"></li>
		<li style="background: 
  radial-gradient(50% 59%, circle, #D2CAAB 3%, #364E27 4%, #364E27 11%, rgba(54,78,39,0) 12%, rgba(54,78,39,0)) 50px 0,
  radial-gradient(50% 41%, circle, #364E27 3%, #D2CAAB 4%, #D2CAAB 11%, rgba(210,202,171,0) 12%, rgba(210,202,171,0)) 50px 0,
  radial-gradient(50% 59%, circle, #D2CAAB 3%, #364E27 4%, #364E27 11%, rgba(54,78,39,0) 12%, rgba(54,78,39,0)) 0 50px,
  radial-gradient(50% 41%, circle, #364E27 3%, #D2CAAB 4%, #D2CAAB 11%, rgba(210,202,171,0) 12%, rgba(210,202,171,0)) 0 50px,
  radial-gradient(100% 50%, circle, #D2CAAB 16%, rgba(210,202,171,0) 17%),
  radial-gradient(0% 50%, circle, #364E27 16%, rgba(54,78,39,0) 17%),
  radial-gradient(100% 50%, circle, #D2CAAB 16%, rgba(210,202,171,0) 17%) 50px 50px,
  radial-gradient(0% 50%, circle, #364E27 16%, rgba(54,78,39,0) 17%) 50px 50px;
background-color:#63773F;
background-size:100px 100px;" title="Yin Yang"></li>
		
		<li style="background:
    linear-gradient(126deg, #232927 4%,   transparent 4%) -70px 43px,
    linear-gradient( 54deg, #232927 4%,   transparent 4%) 30px 43px,
    linear-gradient( 18deg, #e3d7bf 8.5%, transparent 8.5%) 30px 43px,
    linear-gradient(162deg, #e3d7bf 8.5%, transparent 8.5%) -70px 43px,
    linear-gradient(234deg, #e3d7bf 7.5%, transparent 7.5%) -70px 23px,
    linear-gradient(-54deg, #e3d7bf 7.5%, transparent 7.5%) 30px 23px,
    
    linear-gradient(126deg, #232927 4%,   transparent 4%) -20px 93px,
    linear-gradient( 54deg, #232927 4%,   transparent 4%) 80px 93px,
    linear-gradient( 18deg, #e3d7bf 8.5%, transparent 8.5%) 80px 93px,
    linear-gradient(162deg, #e3d7bf 8.5%, transparent 8.5%) -20px 93px,
    linear-gradient(234deg, #e3d7bf 7.5%, transparent 7.5%) -20px 73px,
    linear-gradient(-54deg, #e3d7bf 7.5%, transparent 7.5%) 80px 73px;
background-color: #232927;
background-size: 100px 100px;" 
		title="Stars" data-author="Nicolas Gallagher" data-author-url="http://nicolasgallagher.com/"></li>
		
		<li style="background-image:
    radial-gradient(closest-side, transparent 0%, transparent 75%, #B6CC66 76%, #B6CC66 85%, #EDFFDB 86%, #EDFFDB 94%, #FFFFFF 95%, #FFFFFF 103%, #D9E6A7 104%, #D9E6A7 112%, #798B3C 113%, #798B3C 121%, #FFFFFF 122%, #FFFFFF 130%, #E0EAD7 131%, #E0EAD7 140%),
    radial-gradient(closest-side, transparent 0%, transparent 75%, #B6CC66 76%, #B6CC66 85%, #EDFFDB 86%, #EDFFDB 94%, #FFFFFF 95%, #FFFFFF 103%, #D9E6A7 104%, #D9E6A7 112%, #798B3C 113%, #798B3C 121%, #FFFFFF 122%, #FFFFFF 130%, #E0EAD7 131%, #E0EAD7 140%);
background-size: 110px 110px;
background-color: #C8D3A7;
background-position: 0 0, 55px 55px;" title="Brady Bunch" data-author="Estelle Weyl" data-author-url="http://www.standardista.com"></li>
		
		<li style="background-color:#def;
background-image: radial-gradient(closest-side, transparent 98%, rgba(0,0,0,.3) 99%),
	radial-gradient(closest-side, transparent 98%, rgba(0,0,0,.3) 99%);
background-size:80px 80px;
background-position:0 0, 40px 40px;" title="Shippo"></li>
		
		<li style="background-color: silver;
background-image: linear-gradient(115deg, #b00 23px, transparent 23px),
	linear-gradient(295deg, #d00 23px, transparent 23px),
	linear-gradient(115deg, #b00 23px, transparent 23px),
	linear-gradient(295deg, #d00 23px, transparent 23px);
background-size: 58px 58px;	
background-position: 0px 2px, 4px 35px, 29px 31px, 34px 6px;" 
		title="Bricks" data-author="Tab Atkins Jr" data-author-url="http://www.xanthir.com/blog/"></li>
		
		<li style="background-color:silver;
background-image: 
	radial-gradient(100% 150%, circle, silver 24%, white 25%, white 28%, silver 29%, silver 36%, white 36%, white 40%, transparent 40%, transparent),
	radial-gradient(0    150%, circle, silver 24%, white 25%, white 28%, silver 29%, silver 36%, white 36%, white 40%, transparent 40%, transparent),
	radial-gradient(50%  100%, circle, white 10%, silver 11%, silver 23%, white 24%, white 30%, silver 31%, silver 43%, white 44%, white 50%, silver 51%, silver 63%, white 64%, white 71%, transparent 71%, transparent),
	radial-gradient(100% 50%,  circle, white 5%, silver 6%, silver 15%, white 16%, white 20%, silver 21%, silver 30%, white 31%, white 35%, silver 36%, silver 45%, white 46%, white 49%, transparent 50%, transparent),
	radial-gradient(0    50%,  circle, white 5%, silver 6%, silver 15%, white 16%, white 20%, silver 21%, silver 30%, white 31%, white 35%, silver 36%, silver 45%, white 46%, white 49%, transparent 50%, transparent);
background-size:100px 50px;" title="Seigaiha"></li>
		
		<li style="background-color:#556;
background-image: linear-gradient(60deg, #445 12%, transparent 12.5%, transparent 87%, #445 87.5%, #445),
    linear-gradient(-60deg, #445 12%, transparent 12.5%, transparent 87%, #445 87.5%, #445),
    linear-gradient(60deg, #445 12%, transparent 12.5%, transparent 87%, #445 87.5%, #445),
    linear-gradient(-60deg, #445 12%, transparent 12.5%, transparent 87%, #445 87.5%, #445),
    linear-gradient(30deg, #99a 25%, transparent 25.5%, transparent 75%, #99a 75%, #99a), 
    linear-gradient(30deg, #99a 25%, transparent 25.5%, transparent 75%, #99a 75%, #99a);
background-size:80px 140px;
background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;" title="Japanese cube"></li>
		
		<li style="background-color:#001;
background-image: radial-gradient(white 15%, transparent 16%),
	radial-gradient(white 15%, transparent 16%);
background-size:60px 60px;
background-position: 0 0, 30px 30px;" title="Polka dot"></li>
		
		<li style="background:
  linear-gradient(-45deg, white 25%, transparent 25%, transparent 75%, black 75%, black) 0 0,
  linear-gradient(-45deg, black 25%, transparent 25%, transparent 75%, white 75%, white) 1em 1em,
  linear-gradient(45deg, black 17%, transparent 17%, transparent 25%, black 25%, black 36%, transparent 36%, transparent 64%, black 64%, black 75%, transparent 75%, transparent 83%, black 83%) 1em 1em;
background-color: white;
background-size: 2em 2em;" 
  title="Houndstooth" data-author="Antoine Bernier" data-author-url="http://abernier.name"></li>
		  
		<li style="background-color: #eee;
background-image: linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black), 
	linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black);
background-size:60px 60px;
background-position:0 0, 30px 30px" title="Checkerboard"></li>		
		
		<li style="background-color: #eee;
background-image: linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black), 
	linear-gradient(-45deg, black 25%, transparent 25%, transparent 75%, black 75%, black);
background-size:60px 60px;" title="Diagonal checkerboard"></li>

<li style="background-color: gray;
background-image: linear-gradient(transparent 50%, rgba(255,255,255,.5) 50%);
background-size: 50px;" title="Horizontal stripes"></li>
		
	</ul>
	
	<h2 id="browser-support">Browser support</h2>
	<p>The patterns themselves should work on <strong>Firefox 3.6+</strong>, <strong>Chrome</strong>, <strong>Safari 5.1</strong>, <strong>Opera 11.10+</strong> and <strong>IE10+</strong>. 
	However, implementation limitations might cause some of them to not be displayed correctly even on those browsers (for example at the time of writing, Gecko is quite buggy with radial gradients).</p>
	<p>Also, this gallery won’t work in Firefox 3.6 and IE10, even though they support gradients, due to a JavaScript limitation.</p>
	
	<h2 id="new-submissions">Submission guidelines</h2>
	<p>If you have a new pattern to submit, please a href="https://github.com/LeaVerou/CSS3-Patterns-Gallery">send a pull request</a>. However, please bear in mind that I can't accept all submissions, sorry for that. For a pattern to be accepted, the following factors are considered (in descending order of importance):</p>
	<ul>
		<li>Does it present a new technique?</li>
		<li>Is the number of gradients and color stops worth the effect? The whole point of those patterns is to make page loading faster by reducing file size and HTTP requests without the unreadable gibberish that data URIs add in our stylesheets. If your pattern needs a 2KB code for example (which becomes 10KB when used in production, due to all the prefixes), then it's not very useful, except serving as a proof of concept.</li>
		<li>How common is the pattern?</li>
		<li>Does it look nice?</li>
	</ul>
	
	<p id="footer">
		By <a href="http://lea.verou.me">Lea Verou</a>
		• If no other author is mentioned, the pattern is created by <a href="http://lea.verou.me">Lea Verou</a>
	</p>

</body>
</html>

* {
	margin:0;
	padding:0;
}

html {
	height:100%;
}

body {
	min-height:100%;
	padding:0 2.5em;
	font-family: Palatino, 'Palatino Linotype', serif;
	background: #e8eff5 url('http://lea.verou.me/css3patterns/noise.png');
	
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

h1, h2 {
	padding-top:.2em;
	color:#e50;
	text-shadow: 0 2px white;
}

h1 {
	text-align:center;
	font-size:500%;
}

a {
	color:inherit;
	text-decoration:none;
}

body > p,
body > ul {
	margin:1em 0;
	line-height:1.5;
}

h2,
p,
ul:not(#patterns) {
	text-shadow: 0 1px white;
}

body[style] > h2,
body[style] > p,
body[style] > ul:not(#patterns) {
	display:none;
}

h2 + p,
p + ul {
	margin-top:.3em;
}

body > ul > li > a,
body > p > a {
	border-bottom:2px dotted white;
}

body > ul > li > a:hover,
body > p > a:hover {
	border-bottom-color:slategray;
}

#help {
	text-align: center;
}

#help > li {
		display:inline;
		list-style:none;
		text-shadow: 0 1px white;
	}
	
	#help > li + li:before {
		content: '● ';
		opacity:.4;
	}

#patterns {
	
}

#patterns:after {
	content:"";
	display:block;
	clear:both;
}

#patterns > li {
		position:relative;
		width: 300px;
		height:300px;
		margin:40px;
		float:left;
		list-style:none;
	}
	
	#patterns > li:not(:target) {
		cursor:pointer;
		background-color:gray;
		
		-moz-border-radius: 150px;
		-webkit-border-radius: 150px;
		border-radius: 150px;
		
		-moz-box-shadow: -3px -3px 10px 2px rgba(0,0,0,.3) inset,
					0 0 0 15px rgba(255, 255, 255, .6) inset,
					0 0 0 1px rgba(0,0,0,.5),
					2px 2px 10px rgba(0,0,0,.6);
		box-shadow: -3px -3px 10px 2px rgba(0,0,0,.3) inset,
					0 0 0 15px rgba(255, 255, 255, .6) inset,
					0 0 0 1px rgba(0,0,0,.5),
					2px 2px 10px rgba(0,0,0,.6);
		/* Overrride for Webkit bug */
		-webkit-box-shadow: 0 0 0 15px rgba(255, 255, 255, .6) inset,
					0 0 0 1px rgba(0,0,0,.5),
					2px 2px 10px rgba(0,0,0,.6);
	}
	
	#patterns > li:target {
		background: none !important;
	}
	
	body[style] #patterns > li:not(:target) {
		display:none;
	}
	
		#patterns > li > div {
			position:absolute;
			top:235px;
			left:55px;
			width:250px;
			z-index:2;
			padding:3px 10px 5px;
			color:#e50;
			color: hsla(20,100%,50%,.94);
			font-size:90%;
			background:currentColor;
			box-shadow: 2px 2px 10px rgba(0,0,0,.5);
		}
		
		#patterns > li:target > div {
			position:fixed;
			top:auto;
			left:20px;
			right:20px;
			bottom:20px;
			z-index:3;
			width:auto;
			padding:10px;
			font-size:200%;
		}
		
		#patterns > li > div:after {
			content: "";
			position:absolute;
			top:-30px;
			left:30px;
			border:15px solid transparent;
			border-bottom-color:currentColor;
			border-left-width:0;
		}
		
		#patterns > li:target > div:after {
			border-width:30px;
			border-left-width:0;
			top:-60px;
			left:60px;
		}
		
			#patterns > li h2,
			#patterns > li p,
			#patterns > li textarea {
				color:white;
				text-shadow: .05em .05em .1em rgba(0,0,0,.4);
			}
			
			#patterns > li h2 {
				font-size:140%;
			}
			
			#patterns > li:target h2 {
				float: left;
				margin-bottom: .3em;
			}
			
			#patterns > li .bytesize {
				font-weight:normal;
				opacity:.7;
			}
			
			#patterns > li p {
				font-size:85%;
				line-height:1.8;
				opacity:.7;
				text-shadow: none;
			}
			
			#patterns > li:target p {
				float: right;
			}
			
			#patterns > li textarea {
				display:none;
				width:100%;
				color:white;
				background: #333538;
				padding: .5em;
				border:0;
				font-family: Consolas, Monaco, 'Andale Mono', monospace;
				
				-moz-resize:vertical;
				resize:vertical;
				
				-moz-box-sizing: border-box;
				-webkit-box-sizing: border-box;
				box-sizing: border-box;
				
				-moz-box-shadow: 1px 1px 10px black inset;
				-webkit-box-shadow: 1px 1px 10px black inset;
				box-shadow: 1px 1px 10px black inset;
				
				border-radius: 1px; /* Opera bug fix */
			}
			
			#patterns > li:target textarea {
				display:block;
			}
			
			#patterns > li .close {
				display:none;
				position:absolute;
				top:-.5em;
				right:-.5em;
				width:1.5em;
				line-height:1.5;
				height:1.5em;
				border: .2em solid white;
				font-size:80%;
				color:white;
				background: rgba(20,20,20,.7);
				text-align:center;
				text-shadow: 1px 1px 3px black;
				
				-moz-border-radius:1em;
				-webkit-border-radius:1em;
				border-radius:1em;
				
				-moz-box-shadow: 1px 1px 5px rgba(0,0,0,.5);
				-webkit-box-shadow: 1px 1px 5px rgba(0,0,0,.5);
				box-shadow: 1px 1px 5px rgba(0,0,0,.5);
			}
			
			#patterns > li .close:hover {
				background:black;
			}
			
			#patterns > li:target .close {
				display:block;
			}
			
#social {
	position: fixed;
	top: 10px;
	left: 10px;
}

#social iframe {
		margin-top: .5em;
	}
			
#footer {
	clear:both;
	text-align:center;
	padding:.5em;
	border-top:1px solid rgba(0,0,0,.3);
	text-shadow: 0 1px white;
}

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