<a href="#">KALDIR</a>
<span>TIKLAYIN</span>
<span>W3TR</span>

span{display:block; font-size:30px;}
a{display: inline-block; background: #00FF99; padding:20px; border-bottom:4px solid #00CC00; color:#00CC99; text-decoration:none; margin-bottom:20px;}

$("span").click(function(){
  $(this).css("background-color", "red");
});
$("a").click(function(){
  $("span").off("click");
});