分享：CSS3用transition实现边框动画效果

废话很少说，直接上代码：css 1：cssui code: /*** css code ***/ .animate{transition: all 0.5s ease-in-out;} .m{width: 200px;height: 50px;text-align: center;font-size: 20px;line-height: 50px;font-family: Microsoft Ya

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