Examine source code of Gorilla no Kiseki Theme

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Gorilla no Kiseki Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "theme.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ]
    },
    "colors": {
      "frame": "rgba(16, 133, 57, 1)",
      "tab_background_text": "rgba(16, 98, 35, 1)",
      "toolbar": "rgb(172, 202, 210, 0.10)",
      "bookmark_text": "rgba(245, 197, 0, 0.89)",
      "toolbar_field": "rgba(52, 95, 102, 0.27)",
      "toolbar_field_text": "rgba(16, 98, 35, 1)",
      "button_background_active": "rgba(16, 98, 35, 1)",
      "button_background_hover": "rgba(0, 183, 102, 0.7)",
      "tab_loading": "rgba(0, 117, 0, 0.7)"
    }
  }
}