gird布局之九宫格布局

<style>
        .container{
            background-color:pink;
            padding:20px;
            height:500px;
            display:grid;
            /* grid-template-columns:100px 200px 300px; */
            /* grid-template-columns:10% 20% 30%; */
            /* grid-template-columns:10vw 10vw 10vw; */
            /* grid-template-columns:100px 100px 100px;  */
            /* grid-template-rows:100px 100px 100px; */

            /* grid-template-columns: 50px repeat(3,100px) 10%; */
            grid-template-columns: repeat(3,100px);
            grid-template-rows: repeat(3,100px);

            justify-content: center;
            align-content: center;

            /* row-gap: 10px;
            column-gap: 10px; */
            /* gap:10px 20px; */
            gap:10px;
        }
        .item{
            background:  rgba(255, 213, 0, 0.53);
            border:1px solid;
            /* text-align: center; */
            display:flex;
            justify-content: center;
            align-items: center;
        }
    </style>

<div class="container">
        <div class="item">1</div>
        <div class="item">2</div>
        <div class="item">3</div>
        <div class="item">4</div>
        <div class="item">5</div>
        <div class="item">6</div>
        <div class="item">7</div>
        <div class="item">8</div>
        <div class="item">9</div>
    </div>

非原创，内容来源渡一袁老师，简单记录下吧