CSS:
<style>
.blue { color: blue; }
.italic { font-style: italic; }
</style>
HTML:
<p class="blue italic">
<strong>C</strong>ascading
<strong>S</strong>tyle
<strong>S</strong>heets
</p>
Result:
Cascading Style Sheets
Note: If the same property is present in two or more classes in the list, the
later n the stylesheet has a priority.
Try to add to .italic another color like color: red; What do you see?