Examine source code of Plata

{
  "manifest_version": 2,
  "version": "1.5",
  "name": "Plata",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "button_background_active": "rgb(68,68,68)",
      "button_background_hover": "rgb(44,44,44)",
      "icons": "rgba(245,245,245,0.87)",
      "icons_attention": "rgb(63,81,181)",
      "frame": "rgb(8,8,8)",
      "frame_inactive": "rgb(29,29,29)",
      "ntp_background": "rgb(29,29,29)",
      "ntp_text": "rgba(245,245,245,0.87)",
      "popup": "rgb(8,8,8)",
      "popup_border": "rgb(12,12,12)",
      "popup_highlight": "rgb(63,81,181)",
      "popup_highlight_text": "rgb(255,255,255)",
      "popup_text": "rgba(245,245,245,0.87)",
      "sidebar": "rgb(17,17,17)",
      "sidebar_border": "rgb(46,46,46)",
      "sidebar_highlight": "rgb(63,81,181)",
      "sidebar_highlight_text": "rgb(255,255,255)",
      "sidebar_text": "rgba(245,245,245,0.87)",
      "tab_background_separator": "rgb(46,46,46)",
      "tab_background_text": "rgba(180,180,180)",
      "tab_line": "rgb(63,81,181)",
      "tab_loading": "rgb(63,81,181)",
      "tab_text": "rgb(245,245,245)",
      "toolbar": "rgb(29,29,29)",
      "toolbar_bottom_separator": "rgb(29,29,29)",
      "toolbar_field": "rgb(17,17,17)",
      "toolbar_field_border": "rgb(17,17,17)",
      "toolbar_field_border_focus": "rgb(17,17,17)",
      "toolbar_field_focus": "rgb(17,17,17)",
      "toolbar_field_highlight": "rgb(29,29,29)",
      "toolbar_field_highlight_text": "rgb(255,255,255)",
      "toolbar_field_separator": "rgb(8,8,8)",
      "toolbar_field_text": "rgba(245,245,245,0.87)",
      "toolbar_field_text_focus": "rgba(245,245,245,0.87)",
      "toolbar_text": "rgba(245,245,245,0.87)",
      "toolbar_top_separator": "rgb(8,8,8)",
      "toolbar_vertical_separator": "rgb(8,8,8)"
    }
  }
}