Could you please clarify with more details what you want to achieve?
Do you want to add social media icons to your site?
You can place them in prefooter section as described in our documentation: http://8theme.com/demo/docs/legenda/index.html#!/widgets > Prefooter Row. Add the code into Text widget in Appearance > Widgets > Prefooter area. Write your links instead of # in the code provided in the documentation.