代码示例:(标识:css_display_block)
<!DOCTYPE html>
<html>
<head>
<style>
span {
  display: block;
}
</style>
</head>
<body>

<span>值为 "block" 的 display 属性会导致</span><span>两元素间的换行。</span>

</body>
</html>
运行结果: