FAT Gallery provide options setting to show/hide title, description or change background color hover, font color, font size, font style
To show/hide title and description, please go to FAT Setting -> Tab Layout and choice 'Hide title' or 'Hide excerpt'
Some case, if you want change gallery slug, please go to FAT Gallery Setting -> Tab layout, push new slug into 'Slug' and 'Category Slug'
With masonry, fat gallery have option to crop image size follow proportion of origin image, this ensure that images load faster. In case, you need display origin size, you can disable crop image by uncheck 'Disable crop image' in FAT Setting'
Using this feature, you can add your style sheet for gallery: