[html]
一、背景设计模式
<style type="text/css">
p { background:#f00 url("images/heading2.jpg") no-repeat; width:250px; height:76px; }
</style>
<h1>Background Image(背景设计模式)</h1>
<p></p>
二、绝对定位设计模式
<style type="text/css">
*.positioned { position:relative; }
*.absolute { position:absolute; top:10px; left:10px; }
</style>
<h1>Absolute(绝对定位设计模式)</h1>
<p class="positioned">
<span class="absolute">Sized Absolute</span>
</p>
<style type="text/css">
*.positioned { border:1px solid red; height:100px; background-color:#ffee00; }
*.absolute { border:4px solid green; background-color:white; }
</style>
三、文本替换设计模式
<style type="text/css">
#h2 { position:relative; width:250px;height:76px; overflow:hidden; }
#h2 span { position:absolute; width:250px; height:76px; top:0; left:0; background:#ff0 url("images/heading2.jpg") no-repeat; }
</style>
<h1>Text Replacement(文本替换设计模式)</h1>
<h2 id="h2">heading 2<span></span></h2>
四、左旁注设计模式
<style type="text/css">
*.left-marginal { position:relative; margin-left:200px; }
*.marginal-heading { position:absolute; top:0; left:-200px; margin:0; }
</style>
<h1>Left Marginal(左旁注设计模式)</h1>
<p class="left-marginal">
<h2 class="marginal-heading">Heading</h2>
You want to excerpt an element and move it into the left again.
</p>
五、旁注式图片下沉设计模式
<style type="text/css">
*.indent { position:relative; margin-left:120px; }
*.graphic-dropcap { position:absolute; width:120px; height:90px; left:-120px; top:0; }
*.graphic-dropcap span { position:absolute; width:120px; height:90px; margin:0; top:0; left:0; background:url(images/m.jpg) no-repeat; }
</style>
<h1>Marginal Graphic Dropcap(旁注式图片下沉设计模式)</h1>
<p class="indent">
<span class="graphic-dropcap">M<span></span></span>
arginal Graphic Dropcap. The letter M has been covered by the dropcap is image.Screen readers read the text and visual users see the image.If the browser cannot display the dropcap image, the text becomes visible.
</p>
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