CSS3制作奥运五环(带白色边框)--精简篇
网上已经有有很多用CSS3写的奥运五环效果,但觉得写的有点乱,代码不够精简。所以今天整理了一下,写的可能不是很好,大神就秒过吧。
整体思路:1.用 li标签画出圆圈效果
2.用 li:before画出圆圈外层圆边框
3.用 li:after画出圆圈内层圆边框
Chrome运行效果截图
废话不多说了,上代码
<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <title>The Olympic Flag</title> <style type="text/css" media="screen"> body{ background:tan; } .flag li{ position:absolute; border-radius:6em; border: solid 1em; width: 10em; height: 10em; list-style-type:none; } .flag .blue { z-index: 10; left: 0; top: 0; border-color: blue; } .flag .yellow { z-index: 20; left: 6.8em; top: 5.7em; border-color: yellow; } .flag .black { z-index: 21; left: 13.6em; top: 0; border-color: black; } .flag .green { z-index: 20; left: 20.4em; top: 5.7em; border-color: green; } .flag .red { z-index: 10; left: 27.2em; top: 0px; border-color: red; } li:after{ position:absolute; content:""; display:block; top:0em; left:0em; right:0em; bottom:0em; border:0.3em solid #eee; border-radius:6em; } li:before{ position:absolute; content:""; display:block; border:0.3em solid #eee; border-radius:12em; top:-1em; right:-1em; bottom:-1em; left:-1em; } /* 蓝色压住黄色 */ .flag .blue.alt { z-index: 24; } .flag .blue.alt,.blue.alt:after,.blue.alt:before { border-top-color: transparent; border-left-color: transparent; border-bottom-color: transparent; } /* 黄色压住黑色 */ .flag .yellow.alt { z-index: 23; } .flag .yellow.alt,.yellow.alt:after,.yellow.alt:before { border-right-color: transparent; border-left-color: transparent; border-bottom-color: transparent; } /* 绿色压住黑色 */ .flag .green.alt { z-index: 23; } .flag .green.alt,.green.alt:after,.green.alt:before { border-top-color: transparent; border-right-color: transparent; border-bottom-color: transparent; } /* 红色压住绿色 */ .flag .red.alt { z-index: 23; } .flag .red.alt,.red.alt:after,.red.alt:before { border-top-color: transparent; border-right-color: transparent; border-left-color: transparent; } </style> </head> <body> <ul class="flag"> <li class="blue"></li> <li class="blue alt"></li> <li class="yellow test"></li> <li class="yellow alt"></li> <li class="black"></li> <li class="green"></li> <li class="green alt"></li> <li class="red"></li> <li class="red alt"></li> </ul> </body> </html>