Reduce the distance between the main image and the thumbnail strip in gallery section

In 7.0 there was a setting to easily change the distance between the main image and the thumbnail strip within a gallery slideshow, but this is gone from 7.1 when using a gallery section with an Image and thumbnails. When captions are turned on, the thumbnails are positioned way too far down. Is there any CSS that can reduce this gap?

Can you share link to page where you use gallery? We can help easier