JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <div id="container2">
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
        <div class="bloc"></div>
    </div>
</div>

CSS

#container {
    background: grey;
    max-width: 660px;
    height: 300px;
    display: block;
    overflow: hidden;
}

#container #container2 {
    display: inline-block;
    white-space: nowrap;
}

#container .bloc {
    width: 100px;
    height: 100px;
    display: inline;
    float: left;
    background: black;
    border: 1px solid white;
}