Grid布局中的栅格布局 -

栅格

<!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>
    <link rel="stylesheet" href="demo1.css">
</head>
<body>
    <div class="container">
        <!-- 一等分 -->
        <div class="row">
            <span class="item col-12">12/12</span>
        </div>
        <!-- 二等分 -->
        <div class="row">
            <span class="item col-6">6/12</span>
            <span class="item col-6">6/12</span>
        </div>
        <!-- 三等分 -->
        <div class="row">
            <span class="item col-4">4/12</span>
            <span class="item col-4">4/12</span>
            <span class="item col-4">4/12</span>
        </div>
        <!-- 三等分 6:2:4  -->
        <div class="row">
            <span class="item col-6">6/12</span>
            <span class="item col-2">2/12</span>
            <span class="item col-4">4/12</span>
        </div>
    </div>
</body>
</html>

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    width: 100vw;
    height: 100vh;
    display: grid;
    place-content: center;
}
.container {
    display: grid;
    width: 80vw;
    gap: 0.5em;
}
.container .row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    min-height: 3em;
    gap: 0.5em;
}
.container .row .item {
    padding: 1em;
    border: 1px solid;
    background-color: lightblue;
}
.col-12 {
    grid-area: auto / span 12;
}
.col-11 {
    grid-area: auto / span 11;
}
.col-10 {
    grid-area: auto / span 10;
}
.col-9 {
    grid-area: auto / span 9;
}
.col-8 {
    grid-area: auto / span 8;
}
.col-7 {
    grid-area: auto / span 7;
}
.col-6 {
    grid-area: auto / span 6;
}
.col-5 {
    grid-area: auto / span 5;
}
.col-4 {
    grid-area: auto / span 4;
}
.col-3 {
    grid-area: auto / span 3;
}
.col-2 {
    grid-area: auto / span 2;
}
.col-1 {
    grid-area: auto / span 1;
}