使用Bootstrap 4向元素添加阴影
要将阴影添加到Bootstrap中的元素，请使用Bootstrap4中的.shadow类。
您可以尝试运行以下代码以将阴影添加到元素-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link rel = "stylesheet" href = "https://maxcdn.bootstrapcdn.com/bootstrap/4.1.1/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/4.1.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class = "container">
<h1>Learning</h1>
<div class = "shadow-lg p-4 mb-4 bg-light">Try programming examples</div>
<div class = "shadow-sm p-4 mb-4 bg-light">Try programming examples</div>
<div class =" shadow-none p-4 mb-4 bg-light">Play Quiz and check your knowledge</div>
</div>
</body>
</html>热门推荐
10 财运虎年祝福语简短语
11 单亲爸爸春节祝福语简短
12 狗狗上厕所训练
13 植物种植祝福语简短
14 翻译考试祝福语朋友简短
15 个人周年庆简短祝福语
16 狗狗怎么训练
17 分别祝福语简短搞笑英文
18 生日广州男生祝福语简短