JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
    <div class="obj"></div>
</div>

CSS

#container{
    width: 300px;
    overflow-x: scroll;
    overflow-y:hidden; 
    max-height: 150px;
}
.obj{
    width: 100px;
    height: 100px;
    background-color: #888;
    margin: 3px;
    display: inline-block;
    float: left;
}