This Applies to
url: The URL of the page being shared. This is an optional setting, and this setting defaults to the URL of the current page.
layout: The layout of the share widget. Options are “box_count”, “button_count”, “button”, and “icon_link”. The default layout is “icon_link”.
mobile: Whether to use a mobile iframe.
size: The size of the widget. Options are “small” or “large”. The default size is small.