Examine source code of snorlax over time

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "snorlax over time",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(51, 55, 57, 0.57)",
      "toolbar_text": "rgb(229, 244, 121)",
      "frame": "rgb(0, 73, 73)",
      "tab_background_text": "rgb(98, 201, 243)",
      "toolbar_field": "rgba(127, 135, 135, 0.48)",
      "toolbar_field_text": "rgb(239, 249, 106)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(85, 184, 224)",
      "popup_text": "rgb(209, 218, 142)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a2b667f0-9e68-4c5f-aa2b-c6fdfa5552fc}"
    }
  }
}