JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrapper">
    <div id="child">
        My daddy knows how tall i am
    </div>
    
    <div id="child2">
        My daddy is stupid because you just know that I'm taller than my brother. He loves him more than me! noooo :((((
    </div>
    <div class="helper"></div>
</div>

CSS

#wrapper{
    border: 2px dashed green;
}
#child{
    float: left;
}

#child2{
    float: right;
    
}
.helper{
    clear:both;
}