<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="css/style.css">
<title>Newton`s-Animation</title>
</head>
<body>
<div class="newton-box">
<span class="circle"></span>
<span class="circle"></span>
<span class="circle"></span>
<span class="circle"></span>
<span class="circle"></span>
<div class="bottom-box"></div>
</div>
</body>
</html>body{
padding: 0;
margin: 0;
box-sizing: border-box;
background-image: linear-gradient(to bottom,#333,#222);
background-size: cover;
width: 100%;
height: 100vh;
}
.newton-box{
position: absolute;
display: flex;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
border-top: 8px solid #ddd;
border-left: 8px solid #ddd;
border-right: 8px solid #ddd;
padding: 0 50px 20px;
}
.newton-box .circle{
position: relative;
display: block;
width: 1px;
height: 600px;
background: #ddd;
margin: 0 100px;
transform-origin: top;
}
.circle:before{
content: '';
position: absolute;
bottom: 0;
width: 200px;
height: 200px;
background: radial-gradient(circle at 80px 80px, #b4fef2, #757575);
border-radius: 50%;
left: -100px;
}
.circle:nth-child(1),.circle:nth-child(2){
animation: anim-1 2s linear infinite;
}
.circle:nth-child(4),.circle:nth-child(5){
animation: anim-2 2s linear infinite 1s;
}
.bottom-box{
position: absolute;
width: 1300px;
height: 60px;
left: 50%;
bottom: 0;
transform: translateX(-50%);
z-index: -1;
}
.bottom-box:before{
content: '';
position: absolute;
bottom: -10px;
left: 0;
width: 100%;
height: 50px;
background-color: #ddd;
transform-origin: left;
transform: skewX(-41deg);
z-index: -1;
}
@keyframes anim-1 {
0%{
transform: rotate(0deg);
}
25%{
transform: rotate(60deg);
}
50%{
transform: rotate(0deg);
}
100%{
transform: rotate(0deg);
}
}
@keyframes anim-2 {
0%{
transform: rotate(0deg);
}
25%{
transform: rotate(-60deg);
}
50%{
transform: rotate(0deg);
}
100%{
transform: rotate(0deg);
}
}