These settings can be configured under the images settings.

Display As

Choose the layout you want to use for images appearance from Slider or Grid.

Grid Display

Choose the number of columns here for the grid display.

Margin

Space or gap between images. Eg: 10px

Bootstrap Column Class

It will use the bootstrap grid system

Masonry Grid

Check this option if you have images of different sizes

Equal Heights

Check to enable the equal height of each column

Images in Slider

Images to show at a time in slider

Shortcodes in Caption

Check to enable shortcodes in the caption text box

Lightbox Script

Choose script to use for the popup

Custom CSS

You can define your own styles here