<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* 
        大于1024的时候:4列,宽度=24%
        大于768小于1024的时候:3列,宽度=32%
        大于450小于768的是时候:2列,宽度=48%
        小于450的时候:1列，宽度=99%
        */
        *{
            margin: 0;
            padding: 0;
        }
        img{
            vertical-align: middle;
        }
        .box{
            width: 98%;
            /* border: 5px solid #000; */
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
        }
        .box>div{
            padding: 5px;
            border: 1px solid #000;
            box-sizing: border-box;
            font-size: 14px;
            line-height: 30px;
            margin-bottom: 10px;
        }
        .box>div>img{
            width: 100%;
        }
        .box>div>.p2{
            display: flex;
            justify-content: space-between;
        }
        @media screen and (min-width:1024px) {
            .box>div{
                width: 24%;
            }
        }
        @media screen and (min-width:768px) and (max-width:1024px) {
            .box>div{
                width: 32%;
            }
        }
        @media screen and (min-width:450px) and (max-width:768px) {
            .box>div{
                width: 49%;
            }
        }
        @media screen and (max-width:450px) {
            .box>div{
                width: 99%;
            }
        }
    </style>
</head>
<body>
    <div class="box">
        <div>
            <img src="img/img1.jpg" alt="">
            <p class="p1">迷你微型摄影</p>
            <p class="p2">
                <span>2021-09-09</span>
                <span>作者：123</span>
            </p>
        </div>
        <div>
            <img src="img/img1.jpg" alt="">
            <p class="p1">迷你微型摄影</p>
            <p class="p2">
                <span>2021-09-09</span>
                <span>作者：123</span>
            </p>
        </div>
        <div>
            <img src="img/img1.jpg" alt="">
            <p class="p1">迷你微型摄影</p>
            <p class="p2">
                <span>2021-09-09</span>
                <span>作者：123</span>
            </p>
        </div>
        <div>
            <img src="img/img1.jpg" alt="">
            <p class="p1">迷你微型摄影</p>
            <p class="p2">
                <span>2021-09-09</span>
                <span>作者：123</span>
            </p>
        </div>
        <div>
            <img src="img/img1.jpg" alt="">
            <p class="p1">迷你微型摄影</p>
            <p class="p2">
                <span>2021-09-09</span>
                <span>作者：123</span>
            </p>
        </div>
        <div>
            <img src="img/img1.jpg" alt="">
            <p class="p1">迷你微型摄影</p>
            <p class="p2">
                <span>2021-09-09</span>
                <span>作者：123</span>
            </p>
        </div>
        <div>
            <img src="img/img1.jpg" alt="">
            <p class="p1">迷你微型摄影</p>
            <p class="p2">
                <span>2021-09-09</span>
                <span>作者：123</span>
            </p>
        </div>

    </div>
</body>
</html>

[响应式布局] 小案例_html

[响应式布局] 小案例_html_02

[响应式布局] 小案例_html_03


[响应式布局] 小案例_html_04