JSFiddle - React, Tailwind, and code Playground

by gravof

HTML

<button><b></b><span>test</span></button>

CSS

button {
    background: red;
    border: none;
    height: 30px;
    padding: 0;
}

b {
    display: block;
    width: 30px;
    height: 30px;
    background: green;
}