Update index.md

Author: nerlab

team/index.md

@@ -16,7 +16,7 @@ nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
 {% include list.html data="members" component="portrait" filter="role == 'pi'" %}
 {% include list.html data="members" component="portrait" filter="role != 'pi'" %}
 
-{% include section.html background="images/background.jpg" dark=true %}
+{% include section.html background="images/bottom.png" dark=true %}
 
 Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor
 incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis