The first commented line is your dabblet’s title

dabblet.css

/**
 * The first commented line is your dabblet’s title
 */

ul {
  list-style: none;
  display: box;
  padding: 0;
  box-align:start;
  box-orient: horizontal;
  width: 320px;
}
li {
  padding: 1em;
  box-flex: 1;
  text-align: center;
  background-color:#dedede;
  margin-right: 1px;
  width: 33%
}
li:last-child { margin-right: 0; }

dabblet.html

<ul>
<li>
<div>フォロー</div>
</li>
<li>
<div>フォロワー</div>
</li>
<li>
<div>フォローする</div>
</li>
</ul>

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"css"}