Examine source code of June Sunrise

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "mayRise",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(205, 233, 235, 0.9)",
      "toolbar_text": "rgb(230, 97, 123)",
      "frame": "rgb(250, 220, 168)",
      "tab_background_text": "rgb(250, 220, 168)",
      "toolbar_field": "rgba(241, 228, 193, 0.84)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgb(239, 250, 202)",
      "popup": "rgba(255, 220, 87, 0.63)",
      "popup_text": "rgb(24, 92, 47)",
      "popup_highlight_text": "rgb(37, 26, 95)",
      "tab_loading": "rgb(239, 250, 202)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a3749eca-da20-422b-95a4-39bdc7d91817}"
    }
  }
}