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纯css3实现的鼠标悬停动画按钮

今天给大家带来一款纯css3实现的鼠标悬停动画按钮。这款按钮鼠标经过前以正方形的形式,当鼠标经过的时候以动画的形式变成圆形。效果图如下:

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实现的代码。

html代码:

<div>        <span></span>    </div>

css3代码:

 body        {            background-color: #333;        }        div        {            width: 200px;            height: 200px;            margin: 0 auto;        }        span        {            position: relative;            width: 180px;            height: 180px;            display: block;            margin: auto;            top: 25px;            border: 20px solid rgba(255, 255, 0, .25);            background-color: rgba(124,155,13,1);            -webkit-transition: .5s;            -moz-transition: .5s;            -ms-transition: .5s;            transition: .5s;            border-radius: 30px 0px 30px 0px;        }        span:before, span:after        {            position: absolute;            display: block;            background-color: #fff;            border-radius: 10px;            margin: auto;            top: 0px;            bottom: 0px;            left: 0px;            right: 0px;        }        span:before        {            width: 100px;            height: 10px;            content: "";        }                span:after        {            width: 10px;            height: 100px;            content: "";        }                div:hover span        {            -webkit-transform: scale(.5) rotate(45deg);            -moz-transform: scale(.5) rotate(45deg);            -ms-transform: scale(.5) rotate(45deg);            transform: scale(.5) rotate(45deg);            border-radius: 110px;            background-color: rgba(112,18,255,1);        }

via:http://www.w2bc.com/Article/13275

纯css3实现的鼠标悬停动画按钮