css3--animation实现钟表效果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
*{
padding: 0px;
margin: 0px;
}
@keyframes secondrun{
0%{
transform: rotate(180deg);
}
100%{
transform: rotate(540deg);
}
}
@keyframes minuterun{
0%{
transform: rotate(180deg);
}
100%{
transform: rotate(540deg);
}
}
.clock{
position: relative;
width: 512px;
height: 512px;
background-image: url(clock.png);
background-size: cover;
background-repeat: no-repeat;
}
.second{
position: absolute;
top:181px;
left:246px;
width: 16px;
height: 278px;
background-image: url(second.png);
background-size: cover;
background-repeat: no-repeat;
transform: rotate(180deg);
transform-origin:center 76px;
z-index: 3;
animation: secondrun 60s steps(60,end) infinite;
}
.minute{
position: absolute;
left:238px;
top:240px;
width:32px;
height:218px;
background-image: url(minute.png);
background-size: cover;
background-repeat:no-repeat;
z-index: 2;
transform:rotate(180deg);
transform-origin:center 16px;
animation:minuterun 3600s steps(60,end);
}
.hour{
position: absolute;
left:238px;
top:240px;
width:32px;
height:148px;
background-image: url(hour.png);
background-size: cover;
background-repeat:no-repeat;
z-index:1;
transform-origin: inherit center 16px;
}
!
</style>
</head>
<body>
<div class="clock">
<div class="second"></div>
<div class="minute"></div>
<div class="hour"></div>
</div>
</body>
</html>
效果图: