JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Full CSS Button</h1>


<a class="button" href="#">Add Comment</a>

CSS

.button
{        
    display: inline-block;
    white-space: nowrap;
    background-color: #ccc;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#eee), to(#ccc));
    background-image: -webkit-linear-gradient(top, #eee, #ccc);
    background-image: -moz-linear-gradient(top, #eee, #ccc);
    background-image: -ms-linear-gradient(top, #eee, #ccc);
    background-image: -o-linear-gradient(top, #eee, #ccc);
    background-image: linear-gradient(top, #eee, #ccc);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#eeeeee', EndColorStr='#cccccc');
    border: 1px solid #777;
    padding: 0 1.5em;
    margin: 0.5em;
    font: bold 1em/2em Arial, Helvetica;
    text-decoration: none;
    color: #333;
    text-shadow: 0 1px 0 rgba(255,255,255,.8);
    -moz-border-radius: .2em;
    -webkit-border-radius: .2em;
    border-radius: .2em;
    -moz-box-shadow: 0 0 1px 1px rgba(255,255,255,.8) inset, 0 1px 0 rgba(0,0,0,.3);
    -webkit-box-shadow: 0 0 1px 1px rgba(255,255,255,.8) inset, 0 1px 0 rgba(0,0,0,.3);
    box-shadow: 0 0 1px 1px rgba(255,255,255,.8) inset, 0 1px 0 rgba(0,0,0,.3);
}

.button:hover
{
    background-color: #ddd;        
    background-image: -webkit-gradient(linear, left top, left bottom, from(#fafafa), to(#ddd));
    background-image: -webkit-linear-gradient(top, #fafafa, #ddd);
    background-image: -moz-linear-gradient(top, #fafafa, #ddd);
    background-image: -ms-linear-gradient(top, #fafafa, #ddd);
    background-image: -o-linear-gradient(top, #fafafa, #ddd);
    background-image: linear-gradient(top, #fafafa, #ddd);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#fafafa', EndColorStr='#dddddd');        
}

.button:active
{
    -moz-box-shadow: 0 0 4px 2px rgba(0,0,0,.3) inset;
    -webkit-box-shadow: 0 0 4px 2px rgba(0,0,0,.3) inset;
    box-shadow: 0 0 4px 2px rgba(0,0,0,.3) inset;
    position: relative;
    top: 1px;
}

.button:focus
{
    outline: 0;
    background: #fafafa;
}...