Examine source code of d.va meka

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "d.va meka ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 0, 0, 0)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(0, 96, 185)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(0, 0, 0, 0.31)",
      "toolbar_field_text": "rgb(0, 215, 139)",
      "tab_line": "rgb(8, 80, 146)",
      "popup": "rgb(0, 166, 107)",
      "popup_text": "rgb(0, 0, 0)",
      "ntp_background": "rgb(42, 53, 79)",
      "popup_border": "rgb(0, 96, 185)",
      "tab_selected": "rgba(0, 0, 0, 0.31)",
      "tab_text": "rgb(8, 80, 146)",
      "toolbar_field_border": "rgb(0, 96, 185)",
      "toolbar_top_separator": "rgba(255, 0, 0, 0)",
      "tab_loading": "rgb(8, 80, 146)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{498ad6a8-d7a6-4d1a-83f0-ea71ab81d47a}"
    }
  }
}