JSFiddle - React, Tailwind, and code Playground

by wukong

HTML

<div class="out">
        <div class="flex">
                <div class="box"></div>
                <div class="box"></div>
                <div class="box"></div>
                <div class="box"></div>
                <div class="box"></div>
                <div class="box"></div>
        </div>
    </div>
    <div class="bottom">
        下面的元素
    </div>

CSS

.out{
        padding: 20px;
        border: 1px solid #e5e5e5;
    }
    .flex {
        width: 300px;
        display: flex;
        flex-wrap: wrap;
        /* 虽然border还占据空间，但是dom上已经被-margin抵消掉了，下面的蓝色元素以及在正常排列，没有收到margin的影响 */
        border: 1px solid blue;
        /* 关键这句 */
        margin-bottom: -50px;
        overflow: hidden;
    }

    .box {
        width: 100px;
        height: 100px;
        border: 1px solid red;
        background: orange;
        box-sizing: border-box;
        margin-bottom: 50px;
    }
    .bottom{
        width: 100px;
        height: 100px;
        background: lightblue;
    }