Examine source code of Intermittent rays

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Intermittent rays",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-044-2454b1459f8c4ee2e38d41030bf1580e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(76, 189, 248)",
      "toolbar_text": "rgb(7, 15, 102)",
      "frame": "rgb(7, 108, 221)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(1, 1, 102)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(94, 94, 153)",
      "popup_text": "rgb(183, 206, 238)",
      "ntp_background": "rgb(26, 215, 95)",
      "tab_loading": "rgb(0, 236, 255)"
    }
  }
}