JSFiddle - React, Tailwind, and code Playground
HTML
<input type="button" value="test" />CSS
input{border:solid 1px #CCC;
height:26px;
width:40px;
margin:12px;
color:#333;
text-shadow: 1px 1px 2px white;
cursor:pointer;
}
input:active{position:relative;top:1px;left:1px;}