Examine source code of Cool Black Transparent

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cool Black",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(24, 25, 25)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(33, 32, 34, 0.45)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(147, 166, 163)",
      "popup": "rgba(22, 23, 23, 0.89)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(196, 221, 233, 0.57)",
      "button_background_hover": "rgba(255, 255, 255, 0.23)",
      "icons_attention": "rgb(255, 255, 255)",
      "icons": "rgb(255, 255, 255)",
      "ntp_background": "rgba(6, 6, 6, 0.93)",
      "ntp_text": "rgba(246, 252, 252, 0.66)",
      "popup_highlight": "rgb(34, 68, 78)",
      "sidebar_border": "rgb(97, 151, 151)",
      "sidebar_highlight_text": "rgb(114, 192, 145)",
      "sidebar_highlight": "rgba(61, 82, 82, 0.86)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(0, 0, 0)",
      "tab_selected": "rgb(68, 71, 71)",
      "tab_text": "rgba(255, 255, 255, 0.99)",
      "tab_loading": "rgb(147, 166, 163)"
    }
  }
}