two class in html code example
Example 1: html add two classes
<a href="#" class="class1 class2">My Text</a>
Example 2: how to write 2 class in html
<div class="nav nav-centered nav-reversed navbar navigation-block"></div>
<a href="#" class="class1 class2">My Text</a>
<div class="nav nav-centered nav-reversed navbar navigation-block"></div>