一款基于css3非常实用的鼠标悬停特效_html/css_WEB-ITnose

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实现的代码：

html代码：

 
        
            
                LOW POLY BACKGROUND
            
                Download
        
    

css3代码：

  .contener{  width:310px;  height:140px;  background-image:url(fond.png);  overflow: hidden;  cursor: pointer;  position:relative;}.txt_init{  position: absolute;  bottom: 5px;  right: 5px;  font-family: 'Roboto';  font-size: 22px;  color: #ffffff;  font-weight: 500;}.opac{  opacity: 0;}.contener:hover .opac{  width:310px;  position: absolute;  z-index: 1;  font-family: 'Roboto';  font-size: 25px;  color: #ffffff;  font-weight: 300;  line-height: 140px;  height:140px;  opacity: 1;  background-color: rgba(0,0,0,0.7);  -webkit-animation:oblik 0.4s ease-in;  -webkit-transform-origin: 0% 100%;  -moz-animation:oblik 0.4s ease-in;  -moz-transform-origin: 0% 100%;  -ms-animation:oblik 0.4s ease-in;  -ms-transform-origin: 0% 100%;  animation:oblik 0.4s ease-in;  transform-origin: 0% 100%;  }@-webkit-keyframes oblik {  0% {opacity:0;-webkit-transform: rotate(-45deg);}  100% {opacity:1;-webkit-transform: rotate(0deg);}   }@-moz-keyframes oblik {  0% {opacity:0;-moz-transform: rotate(-45deg);}  100% {opacity:1;-moz-transform: rotate(0deg);}   }@-ms-keyframes oblik {  0% {opacity:0;-ms-transform: rotate(-45deg);}  100% {opacity:1;-ms-transform: rotate(0deg);}   }@keyframes oblik {  0% {opacity:0;transform: rotate(-45deg);}  100% {opacity:1;transform: rotate(0deg);}   }