JSFiddle - React, Tailwind, and code Playground

HTML

<div class="btns">
       <div class="btn btn_tours"><a href="maps.html">Maps</a><span></span></div>
       <div class="btn btn_maps"><a href="dbtest.html">DB Test</a><span></span></div>
       <div class="btn btn_locations"><a href="geolocation.html">Geolocation</a><span></span></div>
       <div class="btn btn_directions"><a href="accel.html">Accelerometer</a><span></span></div>
</div>

CSS

.btns {
    width: 160px;
    margin: 0 auto;
}
.btn {
    float: left;
    position: relative;
    padding: 10px 10px 10px 10px;
    cursor: pointer;
    overflow: visible; 
}
.btn a {
    display: block;
    height: 50px;
    width: 50px;
}
.btn_directions a { background: url(http://tinyurl.com/5r6a3jy); no-repeat;}
.btn_maps a { background: url(http://tinyurl.com/5r6a3jy); no-repeat; }
.btn_tours a { background: url(http://tinyurl.com/5r6a3jy); no-repeat;}
.btn_locations a { background: url(http://tinyurl.com/5r6a3jy); no-repeat; }