Examine source code of ArtLine

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "ArtLine",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(37, 255, 0)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(38, 255, 0)",
      "tab_line": "rgb(36, 255, 0)",
      "popup": "rgb(34, 34, 34)",
      "popup_text": "rgb(72, 255, 0)",
      "button_background_active": "rgb(36, 255, 0)",
      "button_background_hover": "rgba(47, 234, 216, 0)",
      "frame_inactive": "rgb(18, 240, 44)",
      "icons_attention": "rgb(38, 255, 0)",
      "icons": "rgb(19, 18, 18)",
      "ntp_text": "rgba(247, 243, 243, 0)",
      "popup_highlight_text": "rgb(38, 255, 0)",
      "sidebar_border": "rgba(70, 34, 20, 0)",
      "sidebar_highlight_text": "rgb(0, 255, 255)",
      "sidebar_text": "rgb(36, 255, 0)",
      "sidebar": "rgb(26, 57, 41)",
      "tab_loading": "rgb(36, 255, 0)",
      "tab_selected": "rgba(36, 255, 0, 0)",
      "tab_text": "rgb(255, 255, 255)"
    }
  }
}