JSFiddle - React, Tailwind, and code Playground
HTML
<div id="outer">
<div id="inner">
content1 content2 content3 content4 content5 content6 content7 content8 content9 content10 content11 content12
</div>
</div>CSS
#outer {
width: 100%;
border: 1px solid red;
overflow: auto;
position: relative;
}
#inner {
width: 800px;
border: 1px dashed blue;
}