Thanks to this blog post I finally found the solution for centering the thumbnails in NextGEN Gallery.
In your NextGEN Gallery Settings go to “Other Settings” > “Styles” > “Enable Custom CSS” and paste the following code:
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.ngg-galleryoverview { text-align:center; } .ngg-gallery-thumbnail-box { float:none !important; display:inline-block; } |
Now your NextGen Gallery thumbnail will be centered instead of left aligned, as in this post.