Examine source code of simple two colors

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "simple two colors",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(116, 168, 199, 0.35)",
      "toolbar_text": "rgb(191, 194, 237)",
      "frame": "rgb(46, 69, 82)",
      "tab_background_text": "rgb(198, 141, 152)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgba(147, 159, 240, 0.57)",
      "popup": "rgb(92, 94, 123)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(147, 159, 240, 0.57)"
    }
  }
}