JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
    <h2>Section One</h2>
    <h2>Section Two</h2>
</div>

<div id="section_one">
    This is Section One
</div>

<div id="section_two">
    This is Section Two
</div>

CSS

#container{
    overflow:hidden;
}
#container h2{
    float:left;
    margin-right:30px;
    cursor:pointer;
}

#section_two{
    display:none;
}