標籤:style blog color io os ar for sp div
1、效果布局主要用了用了3個DIV,配合:before、:after利用css3中的圓角(border-radius)、陰影(box-shadow)完成。
2、動畫效果CSS3中的@keyframes、animation
<!doctype html><html><head><meta charset="utf-8"><title>CSS3繪製旋轉的太極圖案</title><style>body {background-color:#555;}.box-taiji {width:400px;height:400px;position:relative;margin:50px auto;border-radius:400px;background-color:#000;box-shadow:0 0 50px rgba(0,0,0,.8);animation:rotation 2.5s linear infinite;-webkit-animation:rotation 2.5s linear infinite;-moz-animation:rotation 2.5s linear infinite;}.box-taiji:before,.box-taiji:after {width:200px;height:400px;position:absolute;top:0;display:block;content:"";}.box-taiji:before {left:0;border-radius:200px 0 0 200px;background-color:#000;}.box-taiji:after {right:0;border-radius:0 200px 200px 0;background-color:#fff;}.circle-01,.circle-02 {width:200px;height:200px;position:absolute;z-index:2;border-radius:300px;}.circle-01 {top:0;left:100px;background-color:#000;}.circle-02 {bottom:0;right:100px;background-color:#fff;}.circle-01:after,.circle-02:after {width:75px;height:75px;position:absolute;z-index:3;display:block;content:"";border-radius:75px;}.circle-01:after {top:60px;left:55px;background-color:#fff;}.circle-02:after {bottom:60px;right:55px;background-color:#000;}@keyframes rotation { 0% {transform:rotate(0deg);} 100% {transform:rotate(360deg);}}@-webkit-keyframes rotation { 0% {-webkit-transform:rotate(0deg);} 100% {-webkit-transform:rotate(360deg);}}@-moz-keyframes rotation { 0% {-moz-transform:rotate(0deg);} 100% {-moz-transform:rotate(360deg);}}</style></head><body><div class="box-taiji"> <div class="circle-01"></div> <div class="circle-02"></div></div></body></html>
CSS3繪製旋轉的太極圖案