JSFiddle - React, Tailwind, and code Playground

by Ravindra Athreya

HTML

<div><input type="button" id="startBtn" value="Let's begin"></div>

CSS

div {position:relative; height:20px;}
#startBtn {
  font-family: OpenSans;
  color: #FFFFFF;
  background-color: #00FF7C;
  border: 1px solid #00FF7C;
  border-radius: 5px;
  box-shadow: 0px 5px 0px #00823F;
    position:absolute;
    bottom:0;
    left:0;
}
#startBtn:active {
  box-shadow: 0 1px 0 #00823F;
    bottom:-4px;
}