JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container1">
    <div id="col1">Column 1</div>
    <div id="col2">Column 2
        <br>foobaa
        
    </div>
</div>

CSS

#container1 {
    float:left;
    width:200px;
    background: #ccc;
}
#col1 {
    float:left;
   width:100px;
    background:red;
}
#col2 {
    float:left;
   
    background:yellow;
}