JSFiddle - React, Tailwind, and code Playground

HTML

<table class="main" cols="7" cellpadding="0" border="1" cellspacing="0"><tbody><tr align="center"><td colspan="7" align="center" class="month">Janvier - 2013</td></tr><tr align="center"><td class="daysofweek">D</td><td class="daysofweek">L</td><td class="daysofweek">M</td><td class="daysofweek">M</td><td class="daysofweek">J</td><td class="daysofweek">V</td><td class="daysofweek">S</td></tr><tr align="center"><td id="1-1" class="days">&nbsp;</td><td id="1-2" class="days">&nbsp;</td><td id="2013-1-1" class="days"> <span class="">01</span></td><td id="2013-1-2" class="days"> <span class="">02</span></td><td id="2013-1-3" class="days"> <span class="">03</span></td><td id="2013-1-4" class="days"> <span class="">04</span></td><td id="2013-1-5" class="days"> <span class="">05</span></td></tr><tr align="center"><td id="2013-1-6" class="days"> <span class="">06</span></td><td id="2013-1-7" class="days"> <span class="">07</span></td><td id="2013-1-8" class="days"> <span class="">08</span></td><td id="2013-1-9" class="days"> <span class="">09</span></td><td id="2013-1-10" class="days"> <span class="">10</span></td><td id="2013-1-11" class="days"> <span class="">11</span></td><td id="2013-1-12" class="days"> <a href="javascript:detailDate(12,01,2013)"><span class="vide">12</span></a></td></tr><tr align="center"><td id="2013-1-13" class="days"> <a href="javascript:detailDate(13,01,2013)"><span class="vide">13</span></a></td><td id="2013-1-14" class="days"> <a href="javascript:detailDate(14,01,2013)"><span class="vide">14</span></a></td><td id="2013-1-15" class="days"> <a href="javascript:detailDate(15,01,2013)"><span class="vide">15</span></a></td><td id="2013-1-16" class="days"> <a href="javascript:detailDate(16,01,2013)"><span class="vide">16</span></a></td><td id="2013-1-17" class="days"> <a href="javascript:detailDate(17,01,2013)"><span class="vide">17</span></a></td><td id="2013-1-18" class="days"> <a href="javascript:detailDate(18,01,2013)"><span...

CSS

/* ========================== CSS Reset ========================== */
* {   
    border: 0 none; 
    font-family: Arial, Helvetica, sans-serif;
    font-size: 100%;
    font-style: inherit;
    font-weight: inherit;
    margin: 0;
    outline: 0;
    padding: 0;
    vertical-align: baseline;
}

td {
    border: 1px solid red;
}