边框特效 转圈(大会首页cavas板块)

HTML

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="renderer" content="webkit">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
<title>CSS3鼠标滑过动画线条边框特效</title>
<link rel="stylesheet" href="css/biankuang_index.css" />
</head>
<body style="background:#0a0a3e">
<div class="service">
    <ul class="clearfix" >
      <li>
       <img src="images/tb10tanjpxxxxblxpxxxxxxxxxx-274-186.png">
        <a href="">
        <div class="item-box">
        <h3>验证码</h3>
        <h4>三网合一短信,语音通道</h4>
        <h4>实时,稳定,易用</h4>
        <h4>≤ 0.045元/条</h4>
        <div class="overlay-start"></div>
        <div class="overlay-bottom"></div>
        <div class="overlay-left"></div>
        <div class="overlay-top"></div>
        <div class="overlay-right"></div>
      </div>
        </a> 
        </li>
        <li>
       <img src="images/tb10tanjpxxxxblxpxxxxxxxxxx-274-186.png">
        <a href="">
        <div class="item-box">
        <h3>验证码</h3>
        <h4>三网合一短信,语音通道</h4>
        <h4>实时,稳定,易用</h4>
        <h4>≤ 0.045元/条</h4>
        <div class="overlay-start"></div>
        <div class="overlay-bottom"></div>
        <div class="overlay-left"></div>
        <div class="overlay-top"></div>
        <div class="overlay-right"></div>
      </div>
        </a> 
        </li>
    </ul>
</div>
</body>
</html>

css:

@charset "utf-8";
/*主要CSS*/
a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font:inherit;font-size:100%;vertical-align:baseline}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary{display:block}
.service li{float:left;width:290px;height:350px;position:relative}
.service li img{position:absolute;z-index:999999;}
.service li:hover  img{display:none;} 
.service .item-box{position:relative;width:283px;height:361px;padding-left:50px;background:url(../images/tb10tanjpxxxxblxpxxxxxxxxxx-274-186.png) 0 0 no-repeat;color:#00a0ff;zoom:1}
.service .overlay-start{position:absolute;bottom:-2px;right:-2px;width:34px;height:10px;background-color:#0a0a3e}
.service .overlay-bottom{position:absolute;left:-2px;bottom:-2px;width:287px;height:15px;background-color:#0a0a3e}
.service .overlay-left{position:absolute;left:-2px;top:-2px;width:15px;height:359px;background-color:#0a0a3e}
.service .overlay-top{position:absolute;right:48px;top:-2px;width:287px;height:15px;background-color:#0a0a3e}
.service .overlay-right{position:absolute;right:-2px;bottom:-2px;width:15px;height:350px;background-color:#0a0a3e}
.service .service-icon{position:absolute;left:53px;top:35px;width:100px;height:110px;padding-top:12px;background-color:#fff;z-index:11}
.service .service-icon .circle{width:80px;height:80px;line-height:80px;background:url(../images/tb1.fjxivxxxxbqxvxxxxxxxxxx-80-80.png) 0 0 no-repeat;text-align:center; color:#359EFB; font-size:28px;}
.service .service-icon .iconfont{font-size:32px;color:#00a0ff}
.service .start-point{position:absolute;right:-8px;bottom:-3px;width:0;height:16px;background-color:#fff;overflow:hidden}
.service .start-point .circle{float:right;width:16px;height:16px;background:url(../images/tb15pjohvxxxxcaxpxxxxxxxxxx-16-16.png) 0 0 no-repeat}
.service h3{line-height:52px;font-size:24px;color:#666}
.service h4{line-height:27px;font-size:14px;color:#666}
.service a:hover h3,.service a:hover h4{color:#00a0ff}

.service a:hover .overlay-bottom{
    animation:borderslideBottom .15s linear 0s 1;
    -moz-animation:borderslideBottom .15s linear 0s 1;
    -webkit-animation:borderslideBottom .15s linear 0s 1;
    
    animation-fill-mode:forwards;
    -moz-animation-fill-mode:forwards;
    -webkit-animation-fill-mode:forwards;
}
.service a:hover .overlay-left{
    animation:bordersildeLeft .2s linear .15s 1;
    -moz-animation:bordersildeLeft .2s linear .15s 1;
    -webkit-animation:bordersildeLeft .2s linear .15s 1;
    
    animation-fill-mode:forwards;
    -moz-animation-fill-mode:forwards;
    -webkit-animation-fill-mode:forwards;
}
.service a:hover .overlay-top{
    animation:bordersildeTop .15s linear .35s 1;
    -moz-animation:bordersildeTop .15s linear .35s 1;
    -webkit-animation:bordersildeTop .15s linear .35s 1;
    
    animation-fill-mode:forwards;
    -moz-animation-fill-mode:forwards;
    -webkit-animation-fill-mode:forwards;
}
.service a:hover .overlay-right{
    animation:bordersildeRight .2s linear .5s 1;
    -moz-animation:bordersildeRight .2s linear .5s 1;
    -webkit-animation:bordersildeRight .2s linear .5s 1;
    
    animation-fill-mode:forwards;
    -moz-animation-fill-mode:forwards;
    -webkit-animation-fill-mode:forwards;
}
.service a:hover .start-point{
    animation:bordersildeEnd .1s linear .7s 1;
    -moz-animation:bordersildeEnd .1s linear .7s 1;
    -webkit-animation:bordersildeEnd .1s linear .7s 1;
    
    animation-fill-mode:forwards;
    -moz-animation-fill-mode:forwards;
    -webkit-animation-fill-mode:forwards;
}

.service .arrow{top:357px}
.case{position:relative;padding-top:10px;background-color:#fff;zoom:1}
.case .arrow{top:183px}
@-moz-keyframes slogan{0%{opacity:0;margin-top:0}
100%{opacity:1;margin-top:-30px}
}
@-webkit-keyframes slogan{0%{opacity:0;margin-top:0}
100%{opacity:1;margin-top:-30px}
}
@keyframes slogan{0%{opacity:0;margin-top:0}
100%{opacity:1;margin-top:-30px}
}
@-moz-keyframes clickme{0%{opacity:.2;transform:translate3d(0,-5px,0)}
100%{opacity:.8;transform:translate3d(0,5px,0)}
}
@-webkit-keyframes clickme{0%{opacity:.2;transform:translate3d(0,-5px,0)}
100%{opacity:.8;transform:translate3d(0,5px,0)}
}
@keyframes clickme{0%{opacity:.2;transform:translate3d(0,-5px,0)}
100%{opacity:.8;transform:translate3d(0,5px,0)}
}
@-moz-keyframes borderslideBottom{from{width:295px}
to{width:0}
}
@-webkit-keyframes borderslideBottom{from{width:295px}
to{width:0}
}
@keyframes borderslideBottom{from{width:295px}
to{width:0}
}
@-moz-keyframes bordersildeLeft{from{height:189px}
to{height:0}
}
@-webkit-keyframes bordersildeLeft{from{height:189px}
to{height:0}
}
@keyframes bordersildeLeft{from{height:189px}
to{height:0}
}
@-moz-keyframes bordersildeTop{from{width:295px}
to{width:0}
}
@-webkit-keyframes bordersildeTop{from{width:295px}
to{width:0}
}
@keyframes bordersildeTop{from{width:295px}
to{width:0}
}
@-moz-keyframes bordersildeRight{from{height:189px}
to{height:0}
}
@-webkit-keyframes bordersildeRight{from{height:189px}
to{height:0}
}
@keyframes bordersildeRight{from{height:189px}
to{height:0}
}
@-moz-keyframes bordersildeEnd{from{width:0}
to{width:34px}
}
@-webkit-keyframes bordersildeEnd{from{width:0}
to{width:34px}
}
@keyframes bordersildeEnd{from{width:0}
to{width:34px}
}
原文地址:https://www.cnblogs.com/wolflower/p/7127157.html