Examine source code of 5C Style (Yellow)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "5C Style (Yellow)",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 236, 109)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(255, 168, 65)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(255, 212, 102)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 212, 102)",
      "popup": "rgb(210, 179, 8)",
      "popup_text": "rgb(255, 240, 137)",
      "tab_loading": "rgb(0, 0, 0)",
      "tab_text": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4084c75b-ff56-4d58-ac0a-67306b10341d}"
    }
  }
}