JSFiddle - React, Tailwind, and code Playground

HTML

<a id="button" href="#">Numbah one!</a>

CSS

body {
    font-family: 'Lucida Grande', 'Helvetica Neue', sans-serif;
    font-size: 13px;
}

#button {
    width:165px;
    height:23px;
    display:block;
    font-size:12px;
    font-weight:bold;
    color:#fff;
    text-decoration:none;
    text-transform:uppercase;
    text-align:center;
    text-shadow:1px 1px 0px #07526e;
    padding-top:12px;
    margin:40px auto;
    left:30px;
    position:relative;
    cursor:pointer;
    border-left:solid 1px #2ab7ec;
    background-image: linear-gradient(bottom, rgb(14,137,182) 0%, rgb(22,179,236) 100%);
    background-image: -o-linear-gradient(bottom, rgb(14,137,182) 0%, rgb(22,179,236) 100%);
    background-image: -moz-linear-gradient(bottom, rgb(14,137,182) 0%, rgb(22,179,236) 100%);
    background-image: -webkit-linear-gradient(bottom, rgb(14,137,182) 0%, rgb(22,179,236) 100%);
    background-image: -ms-linear-gradient(bottom, rgb(14,137,182) 0%, rgb(22,179,236) 100%);
    -webkit-border-top-right-radius: 5px;
    -webkit-border-bottom-right-radius: 5px;
    -moz-border-radius-topright: 5px;
    -moz-border-radius-bottomright: 5px;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    -webkit-box-shadow: inset 0px 1px 0px #2ab7ec, 0px 5px 0px 0px #07526e, 0px 10px 5px #999;
    -moz-box-shadow: inset 0px 1px 0px #2ab7ec, 0px 5px 0px 0px #07526e, 0px 10px 5px #999;
    -o-box-shadow: inset 0px 1px 0px #2ab7ec, 0px 5px 0px 0px #07526e, 0px 10px 5px #999;
    box-shadow: inset 0px 1px 0px #2ab7ec, 0px 5px 0px 0px #07526e, 0px 10px 5px #999;
}

#button:active {
    top:3px;
    -webkit-box-shadow: inset 0px 1px 0px #2ab7ec, 0px 2px 0px 0px #07526e, 0px 5px 3px #999;
    -moz-box-shadow: inset 0px 1px 0px #2ab7ec, 0px 2px 0px 0px #07526e, 0px 5px 3px #999;
    -o-box-shadow: inset 0px 1px 0px #2ab7ec, 0px 2px 0px 0px #07526e, 0px 5px 3px #999;
    box-shadow: inset 0px 1px 0px #2ab7ec, 0px 2px 0px 0px #07526e, 0px 5px 3px #999;
}

#button:after {
    content:"1";
    width:35px;
    height:25px;
...