Examine source code of ocean.dark

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#2B303B",
      "tab_background_text": "#EFF1F5"
    }
  },
  "version": "2.0",
  "name": "ocean.dark",
  "manifest_version": 2,
  "description": "A theme based on the base16 them ocean.dark from terminal.sexy"
}