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{
    width:100px;
    height:100px;
    border:1px solid red;
    margin-right:10px;
    float:left;
}
.child_div_1{
    float:left;
    margin-right:5px;
}