Examine source code of SYNCED (Game) - Yellow

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "SYNCED (Game) - Yellow",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(31, 34, 61, 0.21)",
      "toolbar_text": "rgb(207, 225, 248)",
      "frame": "rgb(8, 11, 33)",
      "tab_background_text": "rgb(255, 255, 113)",
      "toolbar_field": "rgba(255, 255, 113, 0.71)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(207, 225, 248)",
      "popup": "rgba(255, 255, 113, 0.71)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(0, 0, 0)",
      "button_background_hover": "rgba(255, 255, 255, 0.29)",
      "frame_inactive": "rgba(255, 255, 113, 0.71)",
      "icons_attention": "rgb(0, 0, 0)",
      "ntp_background": "rgba(255, 255, 113, 0.71)",
      "popup_border": "rgb(8, 11, 33)",
      "sidebar_border": "rgb(31, 34, 61)",
      "sidebar_highlight_text": "rgba(255, 255, 113, 0.71)",
      "sidebar_highlight": "rgb(207, 225, 248)",
      "tab_loading": "rgb(207, 225, 248)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{20279d35-a934-419d-9fb6-0e92d9f49c9f}"
    }
  }
}