HTML
<tr>
<td>
<a href="#" class="linkbold">Basic2</a>
</td>
</tr>
<tr>
<td>
<a href="#" class="linkbold">Basic3</a>
</td>
</tr>
<tr>
<td>
<a href="#" class="linkbold">Basic4</a>
</td>
</tr>
CSS
.linkbold{ color:#0066FF; font-family:Tahoma; font-size:11px; text-decoration:none; font-weight:bold !important; }
.active { color: red; } // define any color for active class
// you can use CSS shorthand for font property
.linkbold { font: bold 11px Tahoma, sans-serif; color:#0066FF; }
If you want to learn more about CSS shorthand
jQuery
$('a.linkbold').on('click', function(){
$('a.linkbold').removeClass('active'); // remove any active class
$(this).addClass('active'); // and then add active class for clicked element.
});
View working example here