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console 命令行工具 X clear

                    
>
console
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>grip</title>
    <link rel="stylesheet" , href="1.css">
</head>

<body>
    <header>header</header>
    <main>
        <article>article</article>
        <nav>nav</nav>
        <aside>aside</aside>
    </main>
    <footer>footer</footer>
</body>

</html>
* {
    margin: 0;
    padding: 0;
}
body {
    height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 100px 1fr 100px;
    font-size: 2em;
    text-align: center;
}
header,
footer {
    background-color: mediumvioletred;
    border-radius: 20px;
}
main {
    display: grid;
    grid-gap: 10px;
    grid-template-columns: 200px 1fr 200px;
    grid-template-areas: 
        "nav article aside";
    background-color: #aaccff;
}
article,
aside,
nav{
    background-color: navy;
    border-radius: 20px;
}
article {
    grid-area: article;
}