Examine source code of Lovely Watermelon

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Lovely Watermelon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(165, 244, 255, 0)",
      "toolbar_text": "rgb(252, 173, 255)",
      "frame": "rgb(115, 214, 228)",
      "tab_background_text": "rgb(68, 214, 255)",
      "toolbar_field": "rgba(165, 244, 255, 0.51)",
      "toolbar_field_text": "rgb(245, 146, 248)",
      "tab_line": "rgb(183, 248, 255)",
      "popup": "rgb(254, 219, 255)",
      "popup_text": "rgb(0, 200, 255)",
      "button_background_active": "rgba(251, 117, 255, 0.63)",
      "button_background_hover": "rgb(0, 227, 255)",
      "icons_attention": "rgb(114, 239, 255)",
      "icons": "rgb(165, 244, 255)",
      "ntp_background": "rgb(252, 173, 255)",
      "ntp_text": "rgba(0, 227, 255, 0.53)",
      "popup_border": "rgba(252, 173, 255, 0.63)",
      "sidebar_text": "rgba(252, 173, 255, 0.63)",
      "tab_loading": "rgba(0, 224, 255, 0.57)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6c446e6a-4339-4179-84cb-2aa6cdc36bb8}"
    }
  }
}