Examine source code of 999DARK

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "999DARK",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/background.gif"
      ]
    },
    "properties": {
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(35, 35, 35)",
      "toolbar_text": "rgb(216, 199, 245)",
      "frame": "rgb(35, 35, 35)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(18, 18, 18)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(119, 76, 191)",
      "popup": "rgb(51, 51, 51)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_text": "rgb(255, 255, 255)",
      "sidebar_text": "rgb(255, 255, 255)",
      "sidebar": "rgb(25, 25, 25)",
      "toolbar_field_highlight": "rgb(101, 101, 101)",
      "tab_loading": "rgb(119, 76, 191)"
    }
  }
}