Examine source code of Stolas Space Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Stolas Space Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 0.44)",
      "toolbar_text": "rgb(169, 62, 238)",
      "frame": "rgb(134, 26, 188)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0.09)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(194, 52, 240)",
      "popup": "rgb(26, 26, 26)",
      "popup_text": "rgb(166, 83, 255)",
      "popup_border": "rgb(147, 43, 255)",
      "tab_text": "rgb(175, 162, 255)",
      "tab_loading": "rgb(194, 52, 240)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bb57d72c-e82a-4790-ac80-41e0795b3394}"
    }
  }
}