JSFiddle - React, Tailwind, and code Playground

by Ayri Rin

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<div class="container">
			<table class="table table-bordered">
				<thead>
					<tr>
						<th><span id="anio"></span></th>
						<th colspan="5" style="padding: 0px; line-height: 38px;">
							<a class="prev" onclick="Go('prev')" href="javascript:void(0)"></a>
							<span id="mes"></span>
							<a class="next" onclick="Go('next')" href="javascript:void(0)"></a>
						</th>
						<th style="padding: 0px; line-height: 40px;">
							<a class="today" onclick="Go('today')" href="javascript:void(0)">TODAY</a>
						</th>
					</tr>
					<tr class="weekdays info" id="monday">
						<!-- WEEKDAYS -->
					</tr>
				</thead>
				<tbody>
				</tbody>
			</table>
		</div>

CSS

@font-face{font-family:'Open Sans';font-style:normal;font-weight:300;src:local('Open Sans Light'), local('OpenSans-Light'), url('../fonts/DXI1ORHCpsQm3Vp6mXoaTXhCUOGz7vYGh680lGh-uXM.woff') format('woff');}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:400;src:local('Open Sans'), local('OpenSans'), url('../fonts/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff') format('woff');}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:600;src:local('Open Sans Semibold'), local('OpenSans-Semibold'), url('../fonts/MTP_ySUJH_bn48VBG8sNSnhCUOGz7vYGh680lGh-uXM.woff') format('woff');}
*{-webkit-font-smoothing: antialiased; -webkit-transition:all .2s, background-position none;-moz-transition:all .2s, background-position none;-o-transition:all .2s, background-position none;-ms-transition:all .2s, background-position none;transition:all .2s, background-position none;}
body{font-family:'Open Sans';background:#f6f6f6;}
a:focus{color:inherit;text-decoration:none;}
button:focus{outline:none !important;}
.table{width:auto;background:transparent;margin:40px auto;}
.table-bordered{border:solid 1px #CCC;border-left:0px;}
.table-bordered th, .table-bordered td{border-top:solid 1px #CCC;border-left:solid 1px #CCC;}
.table thead tr:first-child{background-image:linear-gradient(to bottom,#fff,#EEEEEE);background-color:#E4E4E4;background-image:-moz-linear-gradient(top,#fff,#e6e6e6);background-image:-webkit-gradient(linear,0 0,0 100%,from(#fff),to(#e6e6e6));background-image:-webkit-linear-gradient(top,#fff,#e6e6e6);background-image:-o-linear-gradient(top,#fff,#e6e6e6);background-image:linear-gradient(to bottom,#fff,#e6e6e6);}
.table-bordered thead:first-child tr:first-child>th:first-child{-webkit-border-top-left-radius:4px;border-top-left-radius:4px;-moz-border-radius-topleft:4px;}
.table-bordered thead:first-child tr:first-child>th:last-child{-webkit-border-top-right-radius:4px;border-top-right-radius:4px;-moz-border-radius-topright:4px;}
.table thead...