Examine source code of Dark abstracti0n

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark triangles",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(9, 4, 21, 0.81)",
      "toolbar_text": "rgb(142, 208, 211)",
      "frame": "rgb(38, 21, 56)",
      "tab_background_text": "rgb(160, 148, 173)",
      "toolbar_field": "rgba(229, 174, 197, 0.29)",
      "toolbar_field_text": "rgb(166, 234, 162)",
      "tab_line": "rgb(28, 171, 176)",
      "popup": "rgb(46, 87, 113)",
      "popup_text": "rgb(32, 15, 20)",
      "tab_loading": "rgb(28, 171, 176)"
    }
  }
}