E.classname.classname

Matches the element E with the class attribute "classname" and the class attribute "classname".

HTML:

1. <p class="red">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
2. <p class="blue">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
3. <p class="red blue">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>

CSS:

1. p.red{color:red}
2. p.blue{color:blue}
3. p.red.blue{color:purple}

Output:

In the example, the first paragraph should be red, the second blue and the third purple.