Maybe it's just me, but the all-caps on the breadcrumb thing is killing my ocd -- a long string in all caps on a single line such as the following isn't very user friendly to go back to the exact section you want to be since it's harder to visually separate the crumbs without the camel case humps to fall back on when the spacing and >> aren't enough:
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Official Pixelation Skin
Nitpick aside, this looks great! I prefer it over the old purple dark theme of ye olden days of Pixelation.