示例
25.60 秒计时器，仅使用 HTML 和 CSS | CS
源码
<!doctype html>
<html><head><meta charset="utf-8"><title>60 Seconds Timer | CSS Only</title><link rel="stylesheet" href="style.css"></head><body><div class="card"><div class="time"><div class="dot"></div><svg><circle cx="70" cy="
