Examine source code of day-punker

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "day-punker",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-010-e9f94a3e61666a4c7677eb9cce17d854.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(243, 244, 247)",
      "toolbar_text": "rgb(28, 58, 255)",
      "frame": "rgb(228, 228, 228)",
      "tab_background_text": "rgb(40, 40, 40)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(44, 44, 44)",
      "tab_line": "rgb(215, 43, 254)",
      "popup": "rgb(243, 244, 247)",
      "popup_text": "rgb(185, 17, 223)",
      "tab_loading": "rgb(215, 43, 254)"
    }
  }
}