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基础理解2:CSS3按钮动画_html/css_WEB-ITnose

WBOY
Release: 2016-06-24 11:15:28
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一个Css3按钮效果很好,仔细看了一下发现就是::after,::before然后加上transition,transform等效果实现,主要关注一下几点就能轻松实现:

1、伪类需要position定位,相对的button也需要定位一下

2、设置一下z-index属性,一般button设置为1, button::after或者button:before设置为-1即可

3、transition实现动画效果,如果需要transform旋转一下

   

代码如下:

<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title></title><meta charset="utf-8" /><style type="text/css">button:hover:after {width: 100%;}   button:hover {color: #000;}   button:after {content: '';background-color: #fff;transition: all .5s;width: 0%;position: absolute;top: 3px;left: 0px;height: 34px;z-index: -1;}   button {width: 100px;height: 40px;border: 0px;color: white;background-color: red;font-size: 16px;position: relative;z-index: 1;cursor: pointer;font-family: 'Microsoft YaHei';}</style></head><body><button>保存</button></body></html>
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