Using CSS selectors, I would like to, on click of a link, put a box shadow around a div one element up.
<!DOCTYPE html>
<html>
<body>
<div class="container">
<div id="selected_div">
<a><p id="click"></p></a>
</div>
</div>
</body>
</html>
I do not know which selectors to use. Please enlighten me.