JSFiddle - React, Tailwind, and code Playground

HTML

<div id="menu">
    <div id="pre"><</div>
    <div id="menuContent"></div>
    <div id="next">></div>
</div>
<div id="show_hide"></div>

CSS

#menu {
    width: 100%; 
    height: 50px; 
    border: 2px solid red; 
}

#pre {
    height: 100%; 
    width: 3%;
    border: 1px solid green;
    float: left;
    padding-left:7px;
}

#menuContent {
    float:left;
    width: 90%; 
    height: 100%; 
    border: 5px solid green; 
}

#next {
    height: 100%; 
    width: 3%; 
    border: 1px solid green; 
    float: right; 
    padding-left:7px;
}

#show_hide {
    width: 100%; 
    height: 70px; 
    position: absolute;
    top:0;
}