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利用CSS3实现雷达扫描效果图特效
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>round</title>
<style type="text/css">
.round {
border: 1px solid rgba(255, 255, 255, 0.5);
margin: 50px auto;
}
.w300 {
border-radius: 298px;
height: 298px;
margin-top: 0;
overflow: hidden;
width: 298px;
}
.w200 {
border-radius: 200px;
height: 200px;
width: 200px;
}
.w100 {
border-radius: 100px;
height: 100px;
width: 100px;
}
.w1 {
background-color: #fff;
border-radius: 1px;
height: 1px;
position: relative;
top: -4px;
width: 1px;
}
.line {
background: rgba(0, 0, 0, 0) -moz-linear-gradient(center top , rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.5)) repeat scroll 0 0;
border-left: 1px solid rgba(255, 255, 255, 0.6);
border-radius: 0 0 150px;
height: 150px;
left: 0;
position: absolute;
top: 0;
transform: rotate(0deg);
transform-origin: 0 0 0;
width: 150px;
}
.roundMove {
animation: 3s linear 0s normal both infinite running round;
}
@keyframes round {
100% {
transform: rotate(360deg);
}
}
@keyframes round {
100% {
transform: rotate(360deg);
}
}
</style>
</head>
<body style="background: rgb(0, 0, 0) none repeat scroll 0% 0%; margin: 0px;">
<div class="round w300">
<div class="round w200">
<div class="round w100">
<div class="round w1">
<div class="line roundMove"></div>
</div>
</div>
</div>
</div>
</body>
</html>
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