代码示例:(标识:css_padding_sides)
<!DOCTYPE html>
<html>
<head>
<style>
div {
  border: 1px solid black;
  background-color: lightblue;
  padding-top: 50px;
  padding-right: 30px;
  padding-bottom: 50px;
  padding-left: 80px;
}
</style>
</head>
<body>

<h1>使用单独的内边距属性</h1>

<div>这个 div 元素的上内边距是 50px,右内边距是 30px,下内边距是 50px,左内边距是 80px。</div>

</body>
</html>
运行结果: