代码来自wordpress 主题 r-flat
<style>
#circle {
background-color: rgba(0,0,0,0);
border:5px solid rgba(10,10,10,0.9);
opacity:.9;
border-right:5px solid rgba(0,0,0,0);
border-left:5px solid rgba(0,0,0,0);
border-radius:50px;
box-shadow: 0 0 35px #808080;
z-index:1000;
width:50px;
height:50px;
margin:0 auto;
position:fixed;
left:30px;
bottom:30px;
-moz-animation:spinPulse 1s infinite ease-in-out;
-webkit-animation:spinPulse 1s infinite ease-in-out;
-o-animation:spinPulse 1s infinite ease-in-out;
-ms-animation:spinPulse 1s infinite ease-in-out;
}
#circle1 {
background-color: rgba(0,0,0,0);
border:5px solid rgba(20,20,20,0.9);
opacity:.9;
border-left:5px solid rgba(0,0,0,0);
border-right:5px solid rgba(0,0,0,0);
border-radius:50px;
box-shadow: 0 0 15px #202020;
z-index:1000;
width:30px;
height:30px;
margin:0 auto;
position:fixed;
left:40px;
bottom:40px;
-moz-animation:spinoffPulse 1s infinite linear;
-webkit-animation:spinoffPulse 1s infinite linear;
-o-animation:spinoffPulse 1s infinite linear;
-ms-animation:spinoffPulse 1s infinite linear;
}
@-moz-keyframes spinPulse {
0% { -moz-transform:rotate(160deg); opacity:0; box-shadow:0 0 1px #505050;}
50% { -moz-transform:rotate(145deg); opacity:1; }
100% { -moz-transform:rotate(-320deg); opacity:0; }
}
@-moz-keyframes spinoffPulse {
0% { -moz-transform:rotate(0deg); }
100% { -moz-transform:rotate(360deg); }
}
@-webkit-keyframes spinPulse {
0% { -webkit-transform:rotate(160deg); opacity:0; box-shadow:0 0 1px #505050; }
50% { -webkit-transform:rotate(145deg); opacity:1;}
100% { -webkit-transform:rotate(-320deg); opacity:0; }
}
@-webkit-keyframes spinoffPulse {
0% { -webkit-transform:rotate(0deg); }
100% { -webkit-transform:rotate(360deg); }
}
@-o-keyframes spinPulse {
0% { -o-transform:rotate(160deg); opacity:0; box-shadow:0 0 1px #505050; }
50% { -o-transform:rotate(145deg); opacity:1;}
100% { -o-transform:rotate(-320deg); opacity:0; }
}
@-o-keyframes spinoffPulse {
0% { -o-transform:rotate(0deg); }
100% { -o-transform:rotate(360deg); }
}
@-ms-keyframes spinPulse {
0% { -ms-transform:rotate(160deg); opacity:0; box-shadow:0 0 1px #505050; }
50% { -ms-transform:rotate(145deg); opacity:1;}
100% { -ms-transform:rotate(-320deg); opacity:0; }
}
@-ms-keyframes spinoffPulse {
0% { -ms-transform:rotate(0deg); }
100% { -ms-transform:rotate(360deg); }
}
</style>
<div id="circle"></div>
<div id="circle1"></div>
<script type="text/javascript" src="//libs.baidu.com/jquery/2.1.1/jquery.min.js"></script>
<script>
jQuery(window).load(function() {
jQuery("#circle").fadeOut(5000);
jQuery("#circle1").fadeOut(7000);
});
</script>