Your browser does not support grid, so will not be supported. Hover over your browser version to see if there is a way to enable potential support. Sorry, I am no longer able to justify working on making the layout work on older devices.
It's because we only allow images by Japanese artists on the site, and Japanese law demands that all images be censored. Everything we have that isn't censored was either decensored, or by an artist who doesn't care about the law.