JSFiddle - React, Tailwind, and code Playground

HTML

<div id="parent">
    <label>
        Название поля:&nbsp;<input id="child" type="text" size="2" name="input" value="" />
    </label>
</div>

CSS

#parent {
    width: 260px;
    margin: 16px;
    background: #DDD;
}
#child {
    width: auto;
}