<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>时钟原理练习</title>
<style>
*{
margin: 0;
padding: 0;
}
/* 设置钟表的样式 */
.clock{
width: 500px;
height: 500px;
margin: 0 auto;
margin-top: 100px;
border-radius: 50%;
border: 10px solid black;
position: relative;
/* background-image: url(./img/20210210161607774.jpg); */
background-size: cover;
}
.clock>div{
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
margin: auto;
}
/* 设置时针 */
.hour-wrapper{
height: 70%;
width: 70%;
animation: run 7200s linear infinite;
}
.hour{
height: 50%;
width: 6px;
background-color: #000;
margin: 0 auto;
}
.min-wrapper{
height: 80%;
width: 80%;
/* background-color:red; */
animation: run 600s steps(60) infinite;
}
.min{
height: 50%;
width: 4px;
background-color:black;
margin: 0 auto;
}
.sec-wrapper{
height: 95%;
width: 95%;
/* background-color:orchid; */
animation: run 10s steps(60) infinite;
}
.sec{
height: 50%;
width: 2px;
background-color:red;
margin: 0 auto;
}
@keyframes run {
from{
transform: rotateZ(0);
}
to{
transform: rotateZ(360deg);
}
}
</style>
</head>
<body>
<div class="clock">
<div class="hour-wrapper">
<div class="hour"></div>
</div>
<div class="min-wrapper">
<div class="min"></div>
</div>
<div class="sec-wrapper">
<div class="sec"></div>
</div>
</div>
</body>
</html>
