JSFiddle - React, Tailwind, and code Playground

HTML

<div class="new">
    <div class="button"><a href="test.html">Подробнее</a></div>
</div>

CSS

.button a{background:#0026FF; height:30px; width:90px; display:block; color:#000; border-radius:30px; position: relative;}

.button a:hover{background:#FF006E;}

.new{background:url(http://dropi.ru/mzn.png) no-repeat left top; cursor:help; position: absolute; z-index: 1;}