gistfile1.txt

<style>
.tech-name span {
    border:1px solid #eee;
    padding: 4px;
    background-color: lightgrey;
    border-radius: 2px;
    box-shadow: 2px 2px 2px #aaa;
}

.tech-name span:hover {
    background-color: #eee;
    cursor: pointer;
}
</style>

<div class="tech-name">PHP, Classic ASP, Python, Perl</div>


$('.tech-name').each(function() {

	var words = $(this).text().split(',');

	$(this).empty().html(function() {

		for (i = 0; i < words.length; i++) {
			if (i == 0) {
				$(this).append('<span>' + words[i] + '</span>');
			} else {
				$(this).append(' <span>' + words[i] + '</span>');
			}
		}
	
	});

});