Social Bar

Yes. The social bar comes with default icons, but you can change them to display only the social networks you use. There's tons of icons to choose from.

Note: To delete an icon, hover over it and click the Remove Image icon . 

Yes, you can make your icons larger or smaller and change the spacing between them.

Click Preview at the top of the Editor and click the icons on your social bar to check that they are working as expected.