<!DOCTYPE HTML>
<style>
.testHolder > .red { background-color: red; }
.testHolder > .green { background-color: green; }
.testHolder > .blue { background-color: blue; }
.testHolder > .snow { background-color: snow; }
.testHolder > .red .dummy { }
.testHolder > .green .dummy { }
.testHolder > .blue .dummy { }
.testHolder > .snow .dummy { }
</style>
<body>
<div class="testHolder">
<div id="testElementOne">One</div>
<div id="testElementTwo">Two</div>
<div id="testElementThree">Three!</div>
</div>
</body>