Examine source code of Pusheen Sky

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pusheen Sky",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(32, 111, 140, 0.08)",
      "toolbar_text": "rgb(25, 49, 67)",
      "frame": "rgb(217, 233, 250)",
      "tab_background_text": "rgb(90, 101, 109)",
      "toolbar_field": "rgba(251, 251, 251, 0.08)",
      "toolbar_field_text": "rgb(32, 59, 84)",
      "tab_line": "rgb(70, 163, 254)",
      "popup": "rgb(237, 243, 250)",
      "popup_text": "rgb(32, 61, 84)",
      "tab_loading": "rgb(70, 163, 254)"
    }
  }
}