Inserting: Google + button
"Google + button" is used to insert Google + social button to your web sites. You can add a button to each page, or below each article you want to promote in the pages of the portal Google +
Use the "Insert" > "Google / Google +1" command located in the top menu bar.
As a result, at the bottom of your web site is added new G+1 button.
If you want to customize the button, use the pencil icon. You do not need to do this, simply publish the page and everything will be set automatically.