JSFiddle - React, Tailwind, and code Playground

HTML

<div id="outer">
    <div id="inner">
        <div id="inner2">scroll bar</div>
    </div>
</div>
<br/>
<div id="outer">
    <div id="inner">
        <div id="inner3">no scroll bar</div>
    </div>
</div>

CSS

#outer {
    
    background-color:#EEE;
}
#inner {
    height:100px;
    background-color:#AAA;
}
#inner2 {
    margin-top:5px;
}

#inner3 {

}