JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <div id="div1">Block1</div>
    <div id="div2">Block2</div>
    <div id="div3">Block3</div>
    <div id="div4">Block4</div>
    <div id="div5">Block5</div>
    <div id="div6">Block6</div>
    <div id="div7">Block7</div>
</div>

CSS

div {
    border: 1px solid black;
    margin: 5px;
}
#container {
    margin: auto 50px auto 50px;
}
#container div {
    width: 50px;
    height: 100px;
    display: inline-block;
}