It adds small button "Enable Fullscreen" around userbox in top right corner, and if fullscreen enabled, images will be showed like on the screenshots. Left and right areas can be used for listing.
Fullres image may be zoomed in/out and scrolled by mouse movements.
UI may be hidden automatically, if not used.
There are "popup" window for a comments…
…and for general site UI (notifications are shown on the button directly).
Tags can be viewed and edited too.
UI can be recolored
And there is also alternative fullscreen layout
Uses YourBooru:Settings for settings
content-fanmadetag color appeared, I added new color palette: girlish booru
comictag exists, image will be fitted by top or left side for better reading.
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