<p>W3TR</p>
<p id="w3tr">W3TR</p>
<p id="w3tr">W3TR</p>$("[id]").css("background-color", "red");
External CSS
This Pen doesn't use any external CSS resources.
<p>W3TR</p>
<p id="w3tr">W3TR</p>
<p id="w3tr">W3TR</p>$("[id]").css("background-color", "red");This Pen doesn't use any external CSS resources.