Examine source code of Dawn

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dawn",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-008-60d2718f8c915b5ba09f31df5555b459.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(65, 24, 163)",
      "toolbar_text": "rgb(70, 248, 225)",
      "frame": "rgb(33, 38, 116)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(226, 64, 87, 0.21)",
      "toolbar_field_text": "rgb(248, 112, 140)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(65, 24, 163)",
      "popup_text": "rgb(248, 112, 140)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  }
}