Examine source code of Cute Strawberry

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "CuteStrawberry",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 219, 231, 0.75)",
      "toolbar_text": "rgb(42, 33, 28)",
      "frame": "rgb(252, 228, 202)",
      "tab_background_text": "rgb(42, 33, 28)",
      "toolbar_field": "rgb(255, 244, 232)",
      "toolbar_field_text": "rgb(185, 18, 48)",
      "tab_line": "rgb(185, 18, 48)",
      "popup": "rgb(255, 244, 232)",
      "popup_text": "rgb(42, 33, 28)",
      "button_background_active": "rgba(244, 122, 159, 0.75)",
      "button_background_hover": "rgba(251, 167, 193, 0.75)",
      "icons_attention": "rgb(185, 18, 48)",
      "icons": "rgb(232, 87, 131)",
      "ntp_background": "rgb(252, 228, 202)",
      "popup_border": "rgb(185, 18, 48)",
      "popup_highlight": "rgb(251, 167, 193)",
      "tab_selected": "rgba(255, 219, 231, 0.75)",
      "toolbar_field_border_focus": "rgb(244, 122, 159)",
      "tab_loading": "rgb(185, 18, 48)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5ec4d8aa-a898-4171-b8df-b3c7b639337a}"
    }
  }
}