Examine source code of lexps6 theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "lexps6 theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.25)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(54, 58, 89, 0.01)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(151, 171, 232)",
      "popup": "rgb(0, 3, 68)",
      "popup_text": "rgb(255, 255, 255)",
      "icons": "rgb(218, 223, 245)",
      "tab_selected": "rgba(0, 3, 68, 0.65)",
      "tab_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(151, 171, 232)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{36bbfffb-16e2-4b2e-bfb9-165231279113}"
    }
  }
}