JSFiddle - React, Tailwind, and code Playground
HTML
<a href="#" class="boton">
Hazme Clic!
</a>
CSS
.boton {
background-color:#9827d3;
width:150px;
display:inline-block;
font-family: 'Open Sans', sans-serif;
font-size:12px;
text-decoration:none;
color:#fff;
position:relative;
margin-top:40px;
padding-bottom:10px;
padding-top:10px;
background-image: linear-gradient(bottom, rgb(168,48,232) 100%, rgb(141,32,196) 0%);
border-bottom-right-radius: 5px;
border-bottom-left-radius: 5px;
box-shadow: inset 0px 1px 0px #ca73f8, 0px 5px 0px 0px #6a1099, 0px 10px 5px #999;
}
.boton:active {
top:3px;
background-image: linear-gradient(bottom, rgb(168,48,232) 0%, rgb(141,32,196) 100%);
box-shadow: inset 0px 4px 1px #7215a3, 0px 2px 0px 0px #6a1099, 0px 5px 3px #999;
}
.boton::before {
background-color:#fff;
background-image:url(http://cdn3.iconfinder.com/data/icons/discovery/32x32/emotes/face-smile.png);
background-repeat:no-repeat;
background-position:center center;
border-left:solid 1px #CCC;
border-top:solid 1px #CCC;
border-right:solid 1px #CCC;
content:"";
width:148px;
height:40px;
position:absolute;
top:-30px;
left:0px;
margin-top:-11px;
z-index:-1;
border-top-left-radius: 5px;
border-top-right-radius: 5px;
}
.boton:active::before {
top: -33px;
box-shadow: 0px 3px 0px #ccc;
}