CSS 3 Selectors

CSS HTML Result
a[href^='http://mysite'] { color:red; } <a href='http://othersite.com'>othersite.com</a>
<a href='http://mysite.com'>mysite.com</a>
othersite.com.

mysite.com.
img[src$='.png'] { box-shadow:4px 4px 4px #888; } <img src='frowney.jpg'>
<img src='smiley.png'>
a[href*='google'] { border-bottom-style:dotted; } <a href='http://google.com'>Google</a>
<a href='http://gmail.com'>GMail</a>
Google

GMail