JSFiddle - React, Tailwind, and code Playground

HTML

<div class="bodyContainer">
    <div class="bodyMenu">tekst</div>
    <div class="bodyContent">tekst</div>
</div>

CSS

div.bodyContainer {
    width: 600px;
    overflow: hidden;
    margin: 5px auto;
    padding: 0 0 50px;
    background: yellow;
}

    div.bodyMenu {
        float: left;
        width: 200px;
        background: red;
    }

    div.bodyContent {
        padding: 10px 0 0;
        float: right;
        width: 400px;
        background: blue;
    }