具有bg成功级别的Style Bootstrap 4卡
要对Bootstrap中的卡设置积极的操作，请将bg-success类与card类一起使用
采取积极行动并使用“卡片成功成功”-
<div class="card bg-success text-white">
现在使用card-body类添加卡的主体-
<div class="card bg-success text-white"> <div class="card-body">India won by 7 wickets</div> </div>
您可以尝试运行以下代码来实现card-success类-
示例
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>Result</h3>
<p>Result of the first two matches between India and Australia:</p>
<div class="card bg-success text-white">
<div class="card-body">India won by 10 runs</div>
</div><br>
<div class="card bg-success text-white">
<div class="card-body">India won by 7 wickets</div>
</div>
</div>
</body>
</html>