JSFiddle - React, Tailwind, and code Playground

HTML

<table id="datatable">
    <tbody>
        <tr>
            <td><strong>2013</strong></td>
            <td>&nbsp;</td>
            <td><strong>144</strong></td>

        </tr>
        <tr>
            <td><strong>2012</strong></td>
            <td>&nbsp;</td>
            <td><strong>159</strong></td>

        </tr>

        <tr>
            <td><strong>2011</strong></td>
            <td>&nbsp;</td>
            <td><strong>147</strong></td>

        </tr>
        <tr>
            <td><strong>2010</strong></td>
            <td>&nbsp;</td>
            <td><strong>137</strong></td>
        </tr>
        <tr>
            <td><strong>2009</strong></td>
            <td>&nbsp;</td>
            <td><strong>303</strong></td>
        </tr>
    </tbody>
    </table>

CSS

#datatable
{
    border-collapse:collapse;
}
#datatable tr:first-child td{
   border-bottom:1px solid green;
 }

 #datatable tr td{
   border-bottom:1px solid black;
 }