Examine source code of Dark Blue Shapes

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-030-83d4b797b9aa01c127a9fb2224535caf.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(21, 21, 32)",
      "toolbar_text": "rgb(216, 214, 255)",
      "frame": "rgb(5, 5, 16)",
      "tab_background_text": "rgb(140, 140, 140)",
      "toolbar_field": "rgb(69, 68, 86)",
      "toolbar_field_text": "rgb(215, 217, 224)",
      "tab_line": "rgb(21, 21, 32)",
      "popup": "rgb(21, 21, 32)",
      "popup_text": "rgb(215, 214, 224)",
      "tab_loading": "rgb(21, 21, 32)"
    }
  }
}