To developers Classmates

The Class" button allows visitors to tag and share their favorite content with their friends on Odnoklassniki.

And it will help you to know the preferences of your audience, and possibly attract new visitors to the site.

We care about how an element is added to our site.
The button is customizable by size and appearance: shape (round or square), background color, with or without text, with or without counter, you can add your own picture ...