CSS 盒模型示例

<html>
  <head>
    <meta charset="utf-8">
    <title>盒模型类型</title>
  </head>
  <body>
    <div class="box-container">
      <div class="box" style="box-sizing: content-box;">
        <div class="box-content">content 盒模型</div>
      </div>
    </div>
    <div></div>
    <div class="box-container">
      <div class="box" style="box-sizing: border-box;">
        <div class="box-content">border 盒模型</div>
      </div>
    </div>
    
    <div>注：虚线为参考线；黑色为边框；浅灰色为padding；红色代表内容区域；</div>
  </body>
</html>