JSFiddle - React, Tailwind, and code Playground

HTML

<div class="group">
    <article class="feature">
        <h1>Block 1</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
</div>
<div class="group">
    <article class="feature">
        <h1>Block 2</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
</div>
<div class="group">
    <article class="feature">
        <h1>Block 3</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
</div>
<div class="group">
    <article class="feature">
        <h1>Block 4</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
</div>
<div class="group">
    <article class="feature">
        <h1>Block 5</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
</div>
<div class="group">
    <article class="feature">
        <h1>Block 6</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
</div>
<div class="group">
    <article class="feature">
        <h1>Block 7</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
    <article>
        <h1>heading</h1>
        <div></div>
    </article>
</div>
<div class="group">
    <article class="feature">
        <h1>Block 8</h1>
        <div></div>
    </article>
    <article>
       ...

CSS

.group {
    width: 300px;
    float: left;
    margin: 0 20px 20px 0;
}

article {
    width: 150px;
    height: 150px;
    background-color: #666;
    float: left;
}

article.feature {
    width: 300px;
    height: 300px;
    background-color: #333;
}