social icons on follow sidebar not working

hello Alex
sorry that i open that question again but the solutions in resolved threats are not working by me

i still can not get the face book icon in to the follow me section
i used the theme options and i filled it in as below

Title: Facebook

Icon Name: fa-facebook

Link: http://www.facebook.com/KunstEnCultuurWoudenberg

Icon Colour: BLANK

what is wrong?????

my site is kunstencultuurwoudenberg.nl
please i hope you can help me out

regards adriaan