Complex CSS selectors

For example, img:not([src*="oscar"]) { ... }

by davidpauljunior

HTML

<div class="Ad">
  <iframe>
      <a href="#" target="_top"><img src="http://vignette2.wikia.nocookie.net/muppet/images/a/aa/RoadSafetyGrover.jpg/revision/latest?cb=20110414123528" width="1" height="1" alt="" border="0"></a>
  </iframe>
  <a href="#" target="_top"><img src="http://imagehost.vendio.com/a/1935462/view/oscar_the_grouch.jpg" alt="" border="0"></a>
  <a href="#" target="_top"><img src="http://vignette2.wikia.nocookie.net/muppet/images/a/aa/RoadSafetyGrover.jpg/revision/latest?cb=20110414123528" alt="" border="0"></a>
</div>

CSS

iframe {
  border: 0;
}

img {
  width: 60px;
  height: auto;
}

img:not([src*="oscar"]) {
  width: 264px;
  height: 198px;
}