Examine source code of thème sombre (nuances de vert)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "dark green",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat-y"
      ]
    },
    "colors": {
      "toolbar": "rgba(21, 21, 21, 0.9)",
      "toolbar_text": "rgb(12, 255, 0)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(10, 10, 10)",
      "toolbar_field": "rgba(17, 22, 17, 0.91)",
      "toolbar_field_text": "rgb(0, 255, 25)",
      "tab_line": "rgb(0, 255, 90)",
      "popup": "rgb(0, 19, 3)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_hover": "rgb(65, 124, 69)",
      "icons": "rgb(6, 125, 26)",
      "ntp_background": "rgb(0, 0, 0)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(0, 15, 1)",
      "popup_highlight_text": "rgb(3, 38, 8)",
      "sidebar_border": "rgba(17, 132, 27, 0.34)",
      "sidebar_highlight": "rgb(41, 44, 41)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(1, 23, 1)",
      "tab_background_separator": "rgb(128, 199, 128)",
      "tab_loading": "rgb(31, 55, 31)",
      "tab_text": "rgb(0, 255, 0)",
      "toolbar_bottom_separator": "rgba(1, 8, 1, 0.5)",
      "toolbar_field_border": "rgba(17, 90, 17, 0.38)",
      "toolbar_field_highlight_text": "rgba(33, 91, 33, 0.38)"
    }
  }
}