Examine source code of Red Expressions

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Red Expressions",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-028-5466583598afcc175c90e35aceb1246b.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(197, 45, 45)",
      "toolbar_text": "rgb(7, 0, 0)",
      "frame": "rgb(230, 35, 35)",
      "tab_background_text": "rgb(255, 246, 246)",
      "toolbar_field": "rgb(144, 39, 17)",
      "toolbar_field_text": "rgb(251, 245, 245)",
      "tab_line": "rgb(110, 16, 16)",
      "popup": "rgb(207, 59, 59)",
      "popup_text": "rgb(255, 255, 255)",
      "icons": "rgb(9, 9, 9)",
      "tab_selected": "rgb(224, 14, 14)",
      "tab_text": "rgb(254, 249, 249)",
      "tab_loading": "rgb(110, 16, 16)"
    }
  }
}