JSFiddle - React, Tailwind, and code Playground

HTML

<section class="controls">
      <button id="new-file">New File</button>
      <button id="open-file">Open File</button>
      <button id="save-markdown" disabled>Save File</button>
      <button id="revert" disabled>Revert</button>
      <button id="save-html">Save HTML</button>
      <button id="show-file" disabled>Show File</button>
      <button id="open-in-default" disabled>Open in Default Application</button>
    </section>

CSS

.controls {
    text-align: center;
    background-color: rgb(217, 241, 238);
    padding: 10px 10px 0px 10px;
  }
  
  button {
    font-size: 14px;
    background-color: rgb(181, 220, 216);
    border: none;
    padding: 0.5em 1em;
    margin-bottom: 10px;
  }