CSS - Grid line name

by istiq20

HTML

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Grid Line Name</title>
    <style>
        .container {
            display: grid;
            grid-template-columns: [cline1] 200px [cline2] auto [cline3] 200px [cline4];
            grid-template-rows: [rline1] 500px [rline2] auto [rline3];
        }
        .content {
            background-color: aqua;
            border: 2px solid blue;
            padding: 10px;
            margin: 10px;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="content">
            <h1>COntent 1</h1>
            <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo dolore unde nisi et repellendus fugiat, distinctio enim sunt saepe perspiciatis eum ut ipsam earum vitae alias fuga consequatur dolores minus.</p>
        </div>
        <div class="content">
            <h1>COntent 2</h1>
            <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo dolore unde nisi et repellendus fugiat, distinctio enim sunt saepe perspiciatis eum ut ipsam earum vitae alias fuga consequatur dolores minus.</p>
        </div>
        <div class="content">
            <h1>COntent 3</h1>
            <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo dolore unde nisi et repellendus fugiat, distinctio enim sunt saepe perspiciatis eum ut ipsam earum vitae alias fuga consequatur dolores minus.</p>
        </div>
        <div class="content">
            <h1>COntent 4</h1>
            <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo dolore unde nisi et repellendus fugiat, distinctio enim sunt saepe perspiciatis eum ut ipsam earum vitae alias fuga consequatur dolores minus.</p>
        </div>
        <div class="content">
            <h1>COntent 5</h1>
            <p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Quo dolore unde nisi et repellendus fugiat,...