type: Stringdefault: ‘fade’
The transition that is used when displaying the images. There are some built-in transitions in Galleria, but you can also create your own using our Transitions API.
‘fade’ crossfade betweens images
‘flash’ fades into background color between images
‘pulse’ quickly removes the image into background color, then fades the next image
‘slide’ slides the images depending on image position
‘fadeslide’ fade between images and slide slightly at the same time