Examine source code of yellow confetti

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "yellow confetti theme <3",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-024-8de86d890779309c9a66423c64daa480.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(232, 219, 140)",
      "toolbar_text": "rgb(96, 100, 72)",
      "frame": "rgb(230, 219, 118)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(230, 238, 83)",
      "tab_line": "rgb(255, 255, 100)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(244, 239, 154)",
      "icons_attention": "rgb(225, 220, 101)",
      "icons": "rgb(96, 100, 72)",
      "ntp_text": "rgb(244, 241, 80)",
      "tab_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(255, 255, 100)"
    }
  }
}