Examine source code of Abstract Bolts

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Bolt",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-044-d348b7b42f4790e561202cad5e15d3e6.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(228, 116, 4)",
      "toolbar_text": "rgb(5, 252, 17)",
      "frame": "rgb(93, 35, 171)",
      "tab_background_text": "rgb(26, 254, 3)",
      "toolbar_field": "rgb(3, 252, 248)",
      "toolbar_field_text": "rgb(6, 19, 248)",
      "tab_line": "rgb(251, 4, 55)",
      "popup": "rgb(184, 177, 236)",
      "popup_text": "rgb(6, 2, 31)",
      "tab_loading": "rgb(251, 4, 55)"
    }
  }
}