grid网格布局

1	`grid-area:2/4/4/5; 第几行开始/第几列开始/到第几行结束/到第几列结束`

1	`grid-template-columns: repeat(auto-fill,minmax(300px,1fr));`

自适应的布局

.container{
       width: 80%;
       margin: 0 auto;padding: 20px;box-sizing: border-box;
       display: grid;
       grid-template-columns: repeat(auto-fill,minmax(300px,1fr));
       gap: 10px;
       box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
       border: 1px solid ;overflow: hidden;
    }
    @media screen and (max-width:800px) {
       .container{width: 100%;
           grid-template-columns: repeat(auto-fill,minmax(100%,1fr));
       }
    }

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }
 
        .parent {
          background: red;
          height: 200px;width: 800px;margin: 0 auto;
          display: grid;
          grid-template-rows: 1fr 1fr 1fr 1fr;
          grid-template-columns: 1fr 1fr 1fr 1fr;
          grid-gap: 5px 8px;
        }
       .parent  div{background-color: pink}
        .div1 {
            grid-area: 1/1/3/3;
            background-color: red;
        }
 
        .div2 {
            grid-area:1/3/1/5 ;
        }
 
        .div3 {
            grid-area:2/3/4/4;
        }
 
        .div4 {
            grid-area:2/4/4/5;
        }
 
        .div5 {
            grid-area:3/1/5/3 ;
        }
 
      
    </style>
</head>
 
<body>
    <div class="parent">
        <div class="div1">a111</div>
        <div class="div2">a222 </div>
        <div class="div3">a333 </div>
        <div class="div4">a4444 </div>
        <div class="div5"> a555</div>
         
    </div>
 
</body>
 
</html>