HTML+CSS Easy to Start Box Model Border (Part 2)

Usually we rarely add borders to p tags, but when designing, we add borders to div tags, so that they look more obvious.

Let’s do an example below: For example, on the home page of the website, the middle part of the head (divided into two parts) and the bottom part, how do we implement a layout style like this?

First we need to give a large div, and place both the middle part of the head and the bottom here. In this div, we need to make a css style for the first div, and then add 3 div tags to this div.

The code is as follows:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title></title>
  <style type="text/css">
        #dv1{
          width:800px;
          height:500px;
          border:1px solid red;
          margin:0 auto;   /*居中*/
        }


  </style>
</head>
<body>
    <div id="dv1">
          <div id="top">头部</div>
          <div id="cen">中部</div>
          <div id="but">底部</div>
    </div>
</body>
</html>

Next we need to give the middle and bottom of the head Add styles respectively, the complete code is as follows:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title></title>
  <style type="text/css">
        #dv1{
          width:800px; height:500px;border:1px solid red;margin:0 auto;   /*居中*/text-align:center;
        }
        #top{
          width:780px;height:100px;border:1px solid green;margin:0 auto;background-color:#ccc;margin-top:30px;
        }
        #cen{
          width:780px; height:200px;border:1px solid black;margin:0 auto;background-color:#f77;margin-top:5px;
        }
        #but{
          width:780px;height:100px;border:1px solid #f60;margin:0 auto;margin-top:5px;
        }

        #left{
          width:200px;
          height:198px;
          border:1px solid green;
          margin-left:5px;
          float:left;
        }
        #right{
          width:570px;
          height:198px;
          border:1px solid black;
          float:right;
        }

  </style>
</head>
<body>
    <div id="dv1">
          <div id="top">头部</div>
          <div id="cen">
            <div id="left">左边</div>
            <div id="right">右边</div>
          </div>
          <div id="but">底部</div>
    </div>
</body>
</html>

Note: The border should also be divided into upper, lower, left and right

border-top upper

border-left left

border-right right

border-buttom next

Continuing Learning

new file

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style type="text/css"> #dv1{ width:800px; height:500px;border:1px solid red;margin:0 auto; /*居中*/text-align:center; } #top{ width:780px;height:100px;border:1px solid green;margin:0 auto;background-color:#ccc;margin-top:30px; } #cen{ width:780px; height:200px;border:1px solid black;margin:0 auto;background-color:#f77;margin-top:5px; } #but{ width:780px;height:100px;border:1px solid #f60;margin:0 auto;margin-top:5px; } #left{ width:200px; height:198px; border:1px solid green; margin-left:5px; float:left; } #right{ width:570px; height:198px; border:1px solid black; float:right; } </style> </head> <body> <div id="dv1"> <div id="top">头部</div> <div id="cen"> <div id="left">左边</div> <div id="right">右边</div> </div> <div id="but">底部</div> </div> </body> </html>

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HTML+CSS Easy to Start Box Model Border (Part 2)

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