Examine source code of Y-blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Y-blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-040-c7aacc9fe1f10843f8b1bd2b78b73b22.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(158, 103, 255, 0.48)",
      "toolbar_text": "rgb(255, 235, 61)",
      "frame": "rgb(115, 207, 255)",
      "tab_background_text": "rgb(2, 30, 65)",
      "toolbar_field": "rgb(255, 235, 61)",
      "toolbar_field_text": "rgb(2, 30, 65)",
      "tab_line": "rgb(255, 235, 61)",
      "popup": "rgb(255, 235, 61)",
      "popup_text": "rgb(2, 30, 65)",
      "tab_loading": "rgb(255, 235, 61)"
    }
  }
}