废话不多说了,直接给大家贴代码,具体代码如下所示;
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
margin: 0;
padding: 0;
}
.sspan{
background: #28a54c;
color: #fff;
margin-left: 5px;
}
th,td{
border: 1px solid #000