Update _config.yaml

Author: nerlab

_config.yaml

@@ -3,7 +3,7 @@ title: Neural Engineering Research Laboratory
 subtitle: University of Campinas
 description: Merging engineering and neuroscience to understand the motor system and design cutting-edge neurotechnologies.
 header: images/background.jpg
-footer: images/background.jpg
+footer: images/bottom.png
 proofer: false
 
 # site social media and other links