CSS3注释叠加效果

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以下是 CSS3注释叠加效果的示例演示效果:

当前平台(PC电脑)

平台:

整屏预览

部分效果截图:

HTML代码(index.html):

<!DOCTYPE html>
<html lang="en">
    <head>
		<meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> 
        <title>Annotation Overlay Effect with CSS3</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0"> 
        <meta name="description" content="Annotation Overlay Effect with CSS3" />
        <meta name="keywords" content="css3, overlay, effect, images, portfolio, annotation, tagging, transition" />
        <meta name="author" content="Codrops" />
        <link rel="shortcut icon" href="../favicon.ico"> 
		<link rel="stylesheet" type="text/css" href="css/demo.css" />
        <link rel="stylesheet" type="text/css" href="css/style.css" />
		<!--[if lt IE 9]>
			<script type="text/javascript" src="js/modernizr.custom.04022.js"></script> 
			<style>.ie-note-1{display:block;}</style>
		<![endif]-->
		<!--[if lt IE 10]><style>.ie-note-2{display:block;}</style><![endif]-->
    </head>
    <body>
        <div class="container">
		
			<!-- Codrops top bar -->
            <div class="codrops-top">
                <a href="#/Development/FlipboardPageLayout/">
                    <strong>&laquo; Previous Demo: </strong>Flipboard Page Layout
                </a>
                <span class="right">
					<a href="#/blog/simple-arrows-psd/">Arrows by Alessio Atzeni</a>
					<a href="#/item/blenton-premium-wordpress-template/1995225">Theme Preview by Ana Segota</a>
                    <a href=" #/codrops/2012/05/14/annotation-overlay-effect-with-css3/">
                        <strong>Back to the Codrops Article</strong>
                    </a>
                </span>
                <div class="clr"></div>
            </div><!--/ Codrops top bar -->
			
			<header>
				<h1>Annotation Overlay Effect <span>with CSS3</span></h1>
				<p>Make some simple annotations to images/items and show them on click</p>
				<h2 class="ie-note ie-note-1">CSS3 Selectors don't work in Internet Explorer &lt; 9</h2>
				<h2 class="ie-note ie-note-2">CSS3 Transitions don't work in Internet Explorer &lt; 10</h2>
			</header>
			
			<section>
			
				<div class="ao-item">
					<div class="ao-details">
						<h2>Blenton Wordpress Theme</h2>
						<p>Blenton is a simple and clean Wordpress theme which was made with a lot of attention to detail. It is suitable for commercial and private projects and comes with a variety of features.</p>
						<p><a href="#/item/blenton-premium-wordpress-template/1995225">Take a look &rarr;</a></p>
					</div>
					<div class="ao-preview">
						<input type="checkbox" id="ao-toggle" class="ao-toggle" name="ao-toggle" />
						<img src="images/Anariel_BlentonTemplate.jpg" alt="image01" />
						<div class="ao-annotations">
							<span>Full Localisation Support</span>
							<span>Custom Image Widget</span>
							<span>Blog and Contact Widgets</span>
							<span>Easy Theme Options</span>
							<span>4 Footer Widget Columns</span>
						</div>
					</div>
				</div>
				
				<div class="ao-item ao-item-left">
					<div class="ao-details">
						<h2>Blenton is elegant</h2>
						<p>The design of Blenton makes a great match with a portfolio. It comes with many features like full localisation support and easy theme options.</p>
						<p><a href="#/item/blenton-premium-wordpress-template/1995225">Buy the theme &rarr;</a></p>
					</div>
					<div class="ao-preview">
						<input type="checkbox" id="ao-toggle" class="ao-toggle" name="ao-toggle" />
						<img src="images/Anariel_UnixTemplate.jpg" alt="image02" />
						<div class="ao-annotations">
							<span>Easy Logo Upload</span>
							<span>Custom Post Portfolio</span>
							<span>Custom Background Color and Pattern</span>
						</div>
					</div>
				</div>
			</section>
        </div>
	</body>
</html>

JS代码(modernizr.custom.04022.js):

/* Modernizr 2.5.3 (Custom Build) | MIT & BSD * Build:http://www.modernizr.com/download/#-shiv-cssclasses-load */
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CSS代码(demo.css):

@import url('normalize.css');/* General Demo Style */
body{font-family:Cambria,Palatino,"Palatino Linotype","Palatino LT STD",Georgia,serif;background:#fff url(../images/bg.jpg) repeat top left;font-weight:400;font-size:15px;color:#333;-webkit-font-smoothing:antialiased;-moz-font-smoothing:antialiased;font-smoothing:antialiased;}
a{color:#555;text-decoration:none;}
.container{width:100%;position:relative;}
.clr{clear:both;padding:0;height:0;margin:0;}
.container > header{margin:10px;padding:20px 10px 10px 10px;position:relative;display:block;text-shadow:1px 1px 1px rgba(0,0,0,0.2);text-align:center;}
.container > header h1{font-size:36px;line-height:40px;margin:0;position:relative;font-weight:300;color:#498ea5;padding:5px 0px;text-shadow:1px 1px 1px rgba(255,255,255,0.7);}
.container > header h1 span{font-weight:700;}
.container > header p{font-style:italic;color:#aaa;text-shadow:1px 1px 1px rgba(255,255,255,0.7);}
/* Header Style */
.codrops-top{line-height:24px;font-size:11px;background:#fff;background:rgba(255,255,255,0.6);text-transform:uppercase;z-index:9999;position:relative;font-family:Cambria,Georgia,serif;box-shadow:1px 0px 2px rgba(0,0,0,0.2);}
.codrops-top a{padding:0px 10px;letter-spacing:1px;color:#333;display:inline-block;}
.codrops-top a:hover{background:rgba(255,255,255,0.9);}
.codrops-top span.right{float:right;}
.codrops-top span.right a{float:left;display:block;}
.ie-note{color:#ac375d;display:none;font-size:15px;}

CSS代码(style.css):

.ao-item{width:80%;margin:0 auto;padding:35px 0;position:relative;clear:both;}
.ao-item:before,.ao-item:after{content:"";display:table;}
.ao-item:after{clear:both;}
.ao-item{zoom:1;/* For IE 6/7 (trigger hasLayout) */
}
/* from CSSTricks:http://css-tricks.com/pseudo-element-roundup/ */
.ao-details{float:right;width:40%;padding-left:20px;}
.ao-item:first-child .ao-details{background:transparent url(../images/try.png) no-repeat bottom left;padding-bottom:60px;}
.ao-details h2{color:#498EA5;margin-top:0;text-shadow:1px 1px 1px rgba(255,255,255,0.5);padding-bottom:10px;box-shadow:0 1px 0 #DFDEDC,0 2px 0 rgba(255,255,255,0.5);}
.ao-details p{color:#999;text-shadow:1px 1px 1px rgba(255,255,255,0.8);line-height:22px;}
.ao-details p a{font-weight:bold;color:#498EA5;}
.ao-details p a:hover{color:#2A3344;}
.ao-preview{width:60%;float:left;position:relative;}
.ao-item-left .ao-details{float:left;padding-right:20px;padding-left:0px;text-align:right;}
.ao-item img{margin:0 auto;max-width:100%;display:block;-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";filter:alpha(opacity=80);opacity:0.8;box-shadow:1px 1px 10px rgba(0,0,0,0.2);-webkit-transition:all 0.3s ease-in-out;-moz-transition:all 0.3s ease-in-out;-o-transition:all 0.3s ease-in-out;-ms-transition:all 0.3s ease-in-out;transition:all 0.3s ease-in-out;}
.ao-annotations{width:100%;height:100%;position:absolute;top:0px;left:0px;background:rgba(33,62,68,0.3);box-shadow:1px 1px 3px rgba(0,0,0,0.05);-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";filter:alpha(opacity=0);opacity:0;z-index:5;-webkit-transform:scale(0.8);-moz-transform:scale(0.8);-o-transform:scale(0.8);-ms-transform:scale(0.8);transform:scale(0.8);-webkit-transition:all 0.3s ease-in-out;-moz-transition:all 0.3s ease-in-out;-o-transition:all 0.3s ease-in-out;-ms-transition:all 0.3s ease-in-out;transition:all 0.3s ease-in-out;}
.ao-annotations span{display:block;position:absolute;padding:10px 25px;width:33%;min-width:140px;text-align:center;background:rgba(255,255,255,1);color:rgba(20,40,47,0.9);font-size:16px;font-style:italic;text-shadow:1px 1px 1px rgba(255,255,255,0.9);box-shadow:0px 1px 4px rgba(0,0,0,0.2);-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";filter:alpha(opacity=0);opacity:0;-webkit-transform:scale(1.3);-moz-transform:scale(1.3);-o-transform:scale(1.3);-ms-transform:scale(1.3);transform:scale(1.3);-webkit-transition:all 0.3s ease-in-out;-moz-transition:all 0.3s ease-in-out;-o-transition:all 0.3s ease-in-out;-ms-transition:all 0.3s ease-in-out;transition:all 0.3s ease-in-out;}
.ao-annotations span:after{position:absolute;background:transparent url(../images/arrow.png) no-repeat center center;width:32px;height:33px;top:50%;left:100%;margin:-16px 0 0 -16px;content:'';}
.ao-annotations span:nth-child(1){top:5%;left:5%;}
.ao-annotations span:nth-child(2){top:20%;left:-13%;}
.ao-annotations span:nth-child(3){top:37%;right:2%;}
.ao-annotations span:nth-child(4){top:53%;right:-8%;}
.ao-annotations span:nth-child(5){bottom:18%;left:-4%;}
.ao-item:nth-child(2) .ao-annotations span:nth-child(1){top:12%;left:37%;}
.ao-item:nth-child(2) .ao-annotations span:nth-child(2){top:32%;left:-5%;}
.ao-item:nth-child(2) .ao-annotations span:nth-child(3){top:40%;right:-5%;}
.ao-annotations span:nth-child(3):after,.ao-annotations span:nth-child(4):after,.ao-item:nth-child(2) .ao-annotations span:nth-child(1):after{left:auto;right:100%;margin:-16px -16px 0 0;background-image:url(../images/arrow_left.png);}
input.ao-toggle{width:100%;height:100%;position:absolute;top:0px;left:0px;margin:0;padding:0;-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";filter:alpha(opacity=0);opacity:0;z-index:100;border:none;cursor:pointer;}
input.ao-toggle:checked + img{box-shadow:1px 1px 6px rgba(0,0,0,0.2);-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=99)";filter:alpha(opacity=99);opacity:1;-webkit-transform:scale(0.8);-moz-transform:scale(0.8);-o-transform:scale(0.8);-ms-transform:scale(0.8);transform:scale(0.8);}
input.ao-toggle:hover + img{-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=99)";filter:alpha(opacity=99);opacity:1;}
input.ao-toggle:checked ~ .ao-annotations,input.ao-toggle:checked ~ .ao-annotations span{-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=99)";filter:alpha(opacity=99);opacity:1;-webkit-transform:scale(1);-moz-transform:scale(1);-o-transform:scale(1);-ms-transform:scale(1);transform:scale(1);}
input.ao-toggle:checked ~ .ao-annotations span:nth-child(1){-webkit-transition-delay:0.3s;-moz-transition-delay:0.3s;-o-transition-delay:0.3s;-ms-transition-delay:0.3s;transition-delay:0.3s;}
input.ao-toggle:checked ~ .ao-annotations span:nth-child(2){-webkit-transition-delay:0.4s;-moz-transition-delay:0.4s;-o-transition-delay:0.4s;-ms-transition-delay:0.4s;transition-delay:0.4s;}
input.ao-toggle:checked ~ .ao-annotations span:nth-child(3){-webkit-transition-delay:0.5s;-moz-transition-delay:0.5s;-o-transition-delay:0.5s;-ms-transition-delay:0.5s;transition-delay:0.5s;}
input.ao-toggle:checked ~ .ao-annotations span:nth-child(4){-webkit-transition-delay:0.6s;-moz-transition-delay:0.6s;-o-transition-delay:0.6s;-ms-transition-delay:0.6s;transition-delay:0.6s;}
input.ao-toggle:checked ~ .ao-annotations span:nth-child(5){-webkit-transition-delay:0.7s;-moz-transition-delay:0.7s;-o-transition-delay:0.7s;-ms-transition-delay:0.7s;transition-delay:0.7s;}
@media screen and (max-width:730px){.ao-item .ao-details,.ao-preview{float:none;width:100%;padding:0;text-align:left;}
.ao-annotations span{font-size:11px;}
}

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