Examine source code of Blood Eclipse

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#cf1010",
      "tab_background_text": "#990909"
    }
  },
  "version": "2.0",
  "name": "Blood Eclipse",
  "manifest_version": 2,
  "description": "A cool, smooth dark theme with a stunning red glow."
}