Examine source code of Happy Monday

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "All Right!!",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(26, 65, 86)",
      "toolbar_text": "rgb(11, 238, 166)",
      "frame": "rgb(195, 195, 26)",
      "tab_background_text": "rgb(15, 98, 6)",
      "toolbar_field": "rgb(240, 177, 30)",
      "toolbar_field_text": "rgb(215, 39, 219)",
      "tab_line": "rgb(215, 39, 219)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(215, 39, 219)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5068170e-26ce-40c7-8430-68cf89a1a49c}"
    }
  }
}