css styling for captions

I’m using the Pro Blog Gallery and trying to style the captions that appear under some photos. I’ve tried several versions of the below CSS (including with and without the important tag) but nothing seems to have any effect. Can you help?

Page: https://theslowroad.org/wp/blog/photos-of-austria/

.ngg_pro_blog_gallery_caption_below {
color: #A9A9A9 !important;
font-size: 14px;
margin-bottom: 5px !important;
}

Also couldn’t get styling to work in other aspects of the gallery. Example:
.nextgen_pro_blog_gallery .image-wrapper .ngg-trigger-buttons {
margin: 0px auto 0px auto !important;}

• This topic was modified 7 years, 2 months ago by mkuhnell.

The page I need help with: [log in to see the link]