JSFiddle - React, Tailwind, and code Playground

HTML

<fieldset>
<legend>Group 1</legend>

<div><input type="text" /></div>
<div>
   
    <select>
        <option>Option 1</option>
    </select>
</div>
</fieldset>

CSS

FIELDSET {
    margin: 8px;
    border: 1px solid silver;
    padding: 8px;    
    border-radius: 4px;
}
LEGEND{
    padding: 2px;    
}