JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div id="one">Content1</div><!--
    !-->
    <div id="three">Content3</div>
    <div id="two">Content2</div>
    
</div>

CSS

.container {
    padding: 5px;
    position: relative;
}

#one, #two {
    width: 50%;
    display: inline-block;
    box-sizing: border-box;
}

#two {
    position: absolute;
    top: 0;
    right: 0;
}

#one {
    position: absolute;
    top: 0;
    left: 0;
}

#three {
    position: absolute;
    top: 200px;
    left: 0;
    box-sizing: border-box;
}

#one, #two, #three {
    margin: 0;
    height: 200px;
    border: 1px solid black;
}

#three {
    width: 100%;
}

@media (max-width: 600px) {
    #one, #two, #three {
        width: 100%;
        position: initial;
        top: default;
    }
}