一款纯css3实现的鼠标经过按钮特效_html/css_WEB-ITnose

 <div align="center">        <div class="contener">            <div class="txt_button">                WIFEO</div>            <div class="circle">                 </div>        </div>    </div>

  .contener{  width: 300px;  height: 60px;  background-color: #00bcd4;  line-height: 60px;  color: #ffffff;  font-weight: 300;  font-family: 'Roboto';  font-size: 25px;  position: relative;  overflow: hidden;  cursor: pointer;  box-shadow:1px 1px 1px #333333;}.txt_button{  position: absolute;  width: 100%;}.contener:hover .circle{  -webkit-animation:oblik 0.4s ease-in;  -webkit-transform-origin: 50% 50%;  -moz-animation:oblik 0.4s ease-in;  -moz-transform-origin: 50% 50%;  -ms-animation:oblik 0.4s ease-in;  -ms-transform-origin: 50% 50%;  animation:oblik 0.4s ease-in;  transform-origin: 50% 50%;  width: 100px;  height: 100px;  border-radius: 50%; }@-webkit-keyframes oblik {  0% {opacity:1;-webkit-transform:scale(0);}  100% {opacity:0;-webkit-transform:scale(5);background-color: #006064;}   }@-moz-keyframes oblik {  0% {opacity:1;-moz-transform:scale(0);}  100% {opacity:0;-moz-transform:scale(5);background-color: #006064;}   }@-ms-keyframes oblik {  0% {opacity:1;-ms-transform:scale(0);}  100% {opacity:0;-ms-transform:scale(5);background-color: #006064;}   }@keyframes oblik {  0% {opacity:1;transform:scale(0);}  100% {opacity:0;transform:scale(5);background-color: #006064;}   }