JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container-fluid calnav_head">
                <div class="row text-center">
                    <div class="col-md-3">
                        <a href="#"><div class="calnav"><i class="fa fa-angle-double-left pull-left" aria-hidden="true"></i> Previous</div></a>
                    </div>    
                    <div class="col-md-6 calnav_head_title">
                        <h1>July - 2017</h1>
                    </div>
                    <div class="col-md-3">
                        <a href="#"><div class="calnav">Next <i class="fa fa-angle-double-right pull-right" aria-hidden="true"></i></div></a>
                    </div>
                </div>
            </div>

CSS

.calnav {
    font-size: 1.3em;
    color: #000;
    height: 35px;
    line-height: 35px;
    border-radius: 8px;
    background: white;
}
.calnav:first-child:hover {
    background: #537d8d;
    background: -moz-linear-gradient(left, rgba(33,21,32,1) 0%, rgba(255,255,255,0) 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(left, rgba(33,21,32,1) 0%,rgba(255,255,255,0) 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to right, rgba(33,21,32,1) 0%,rgba(255,255,255,0) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#211520', endColorstr='#00ffffff',GradientType=1 ); /* IE6-9 */
}
.calnav:last-child:hover {
    background: #537d8d;
    background: -moz-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(253,253,253,0) 1%, rgba(37,26,36,1) 98%, rgba(33,21,32,1) 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(left, rgba(255,255,255,0) 0%,rgba(253,253,253,0) 1%,rgba(37,26,36,1) 98%,rgba(33,21,32,1) 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to right, rgba(255,255,255,0) 0%,rgba(253,253,253,0) 1%,rgba(37,26,36,1) 98%,rgba(33,21,32,1) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ffffff', endColorstr='#211520',GradientType=1 ); /* IE6-9 */
}