cards.html

<!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">
    <link rel="stylesheet" href="cards-style.css">
    <title>Cards Grid Exercise</title>
</head>

<body>
    <h1>Cards Grid</h1>
    <section class="grid-container">
        <article class="item item1">Card</article>
        <article class="item item2">Card</article>
        <article class="item item3">Card</article>
        <article class="item item4">Card</article>
        <article class="item item5">Card</article>
        <article class="item item6">Card</article>
        <article class="item item7">Card</article>
        <article class="item item8">Card</article>
        <article class="item item9">Card</article>
        <article class="item item10">Card</article>
        <article class="item item11">Card</article>
        <article class="item item12">Card</article>
        <article class="item item13">Card</article>
        <article class="item item14">Card</article>
        <article class="item item15">Card</article>
        <article class="item item16">Card</article>
        <article class="item item17">Card</article>
        <article class="item item18">Card</article>

    </section>
</body>

</html>