效果图：
完整代码：
<!DOCTYPE html>
<html>
<head><meta charset="UTF-8" /><title>跳动圆点加载动画</title><style type="text/css">body {background: #ECF0F1;display: flex;justify-content: center;align-items: center;height: 100vh;margin: 0;}.dots {display: flex;justify-content: space-between;align-items: center;width: 60px;}.dots div {width: 12px;height: 12px;background-color: #3498db;border-radius: 50%;animation: bounce 0.6s infinite alternate;}
