CSS2调整大小属性与CSS3框调整大小属性

让我们了解CSS2调整大小属性和CSS3框调整大小属性之间的区别。

CSS2大小调整属性

<html>
   <head>
      <style>
         .div1 {
            width: 200px;
            height: 100px;
            border: 1px solid green;
          }
         .div2 {
            width: 200px;
            height: 100px;
            padding: 50px;
            border: 1px solid pink;
         }
      </style>
   </head>
   <body>
      <div class = "div1">nhooo.com</div></br>
      <div class = "div2">nhooo.com</div>
   </body>
</html>

CSS3框大小调整属性

<html>
   <head>
      <style>
         .div1 {
            width: 300px;
            height: 100px;
            border: 1px solid blue;
            box-sizing: border-box;
         }
         .div2 {
            width: 300px;
            height: 100px;
            padding: 50px;
            border: 1px solid red;
            box-sizing: border-box;
         }
      </style>
   </head>
   <body>
      <div class = "div1">nhooo.com</div></br>
      <div class = "div2">nhooo.com</div>
   </body>
</html>