效果：
代码：
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>弹出框</title><style>.icon {width: 1em;height: 1em;vertical-align: -1.17em;margin-left: 165px;fill: currentColor;overflow: hidden;}#main {width: 100%;height: 100%;background-color: rgba(82, 82, 87, 0.5);display: flex;justify-content: center;align-items: center;position: absolute;left: 0;top: 0;display: none;}#box {width: 474px;height: 57px;background: #F0F9EB;border-radius: 6px;position: absolute;/* z-index: 999; */}#stopIt {text-decoration: none;color: #17BE59;float: right;padding-top: 5px;margin-right: 10px;}p {font-size: 22px;font-family: Source Han Sans CN;font-weight: 400;color: #17BE59;margin: -21px 190px;}#box1 {width: 496px;height: 50px;border: 2px solid black;}#box2 {width: 0px;height: 50px;background-color: pink;}</style>
</head><body><script src="../概述/script/iconfont.js"></script><input type="button" value="弹框" id="eject"><div id="main"><div id="box">//对号<svg class="icon" aria-hidden="true"><use xlink:href="#icon-tijiaochenggong"></use></svg>//差号<svg class="icon" id="stopIt" aria-hidden="true"><use xlink:href="#icon-guanbi"></use></svg><p>提交成功</p></div></div><script>let eject = document.getElementById("eject");let main = document.getElementById("main");let stopIt = document.getElementById("stopIt");//点击出现弹框eject.onclick = function () {main.style.display = "flex";}//点击×弹框消失stopIt.onclick = function () {main.style.display = "none";}</script>
</body></html>字体JS文件：cankao
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