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Mosaic Grid is a Views style plugin that allows to display images in a nice responsive justified grid. Best works as a single large full page image gallery but can also be used as a block and for creating multiple galleries on a single page.
Here is a short list of features:

  • Justified responsive grid layout for images.
  • Optimised image loading (lazy loading).
  • Plenty of configuration options like image row height, gap etc.
  • Captions that appear on mouse hover.
  • Ability to tweak caption style without writing extra CSS.
  • Ability to use rich text for captions (by adding text fields in views).
  • Several loader icon styles to choose from.


  • Install this module using the official Backdrop CMS instructions at

  • Visit the configuration page under Administration > Configuration > Media >
    Mosaic Grid (admin/config/media/mosaic_grid) to configure the global

  • Enable and configure the Masonry Grid in a view's format section. This plugin requires
    one image field and may optionally use one text field as a source for captions.


Bugs and Feature requests should be reported in the Issue Queue:

Known Issues

At some circumstances a broken grid is generated. In that case try some of the following:

  • Clear cache: Home -> Flush all caches
  • Enable 'Refit on Resize' in Mosaic Grid formatter settings in case it was disabled.
  • Try a different layout. For instance try Boxton Hero instead of Boxton.
  • If you are using customized flexible layout then try setting the container style to maximum or full width.
  • Try using a different Theme if you can.

Please report your case with as much details as possible:

Current Maintainers



This project is GPL v2 software. See the LICENSE.txt file in this directory for
complete text.