JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" class="button">Some text</a>
<button>Some text</button>
<!-- Works fine till here -->
<br /><br />
<a href="#" class="button" style="width:200px">Some text</a>
<button style="width:200px">Some text</button>

CSS

.button, button {
    margin: 0;
    padding: 0;
    display: inline-block;
    border: 0;
    text-decoration: none;
    cursor: pointer;
    color: black;
    background: #ddd;
    font: 12px Verdana;
    padding: 40px; /* 40px, so you can see that it won't be rendered with width */
    text-align: center;
}