JSFiddle - React, Tailwind, and code Playground

HTML

<div id='parent_div_1'>
<div class ='child_div_1'>asd</div>
<div class ='child_div_2'>asd</div>
</div>

<div id='parent_div_2'>
<div class ='child_div_1'>asd</div>
<div class ='child_div_2'>asd</div>
</div>

<div id='parent_div_3'>
<div class ='child_div_1'>asd</div>
<div class ='child_div_2'>asd</div>
</div>

CSS

#parent_div_1, #parent_div_2, #parent_div_3 {
    display: flex;
    /* IF YOU WANT PARENT DIVS NEXT TO EACH OTHER */
    /*float: left;*/
}