网页-前端-练习题-Heartbeat
>>:Source Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>HeartBeat</title>
<style>
body{
background-color:black;
}
.heartborder{
margin-top:100px;
margin-left:30%;
width:100px;
height:100px;
border-radius:10px;
box-shadow:0 0 10px 0 red;
transform:scale(1);
animation: borderact 1s linear infinite alternate;
}
.heartL,.heartR{
float:left;
width:50px;
height:70px;
background-color:red;
border-radius:50px 50px 0 0 ;
transform:scale(1);
animation:heartaction 1s linear infinite alternate;
}
.heartL{
margin-top:30px;
transform:rotate(-45deg) translate(25px);
}
.heartR{
margin-top:30px;
transform:rotate(45deg) translate(-25px) ;
}
.heartmiddle{
transform:scale(1);
animation: heartm 1s linear infinite alternate;
}
@keyframes borderact {
0%{box-shadow:0 0 0 0 red;}
100%{box-shadow:0 0 10px 0 red;}
}
@keyframes heartaction {
0%{box-shadow:0 0 0 0 red;}
100%{box-shadow:0 0 10px 0 red;}
}
@keyframes heartm {
0%{ transform:scale(1);}
100%{ transform:scale(1.1);}
}
</style>
</head>
<body>
<div class="heartborder">
<div class="heartmiddle">
<div class="heartL"></div>
<div class="heartR"></div>
</div>
</div>
</body>
</html>
>>：👁👁
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