Examine source code of Sage Green <3

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Sage Green <3",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(225, 234, 239)",
      "toolbar_text": "rgb(170, 183, 155)",
      "frame": "rgb(167, 177, 158)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(227, 229, 224)",
      "toolbar_field_text": "rgb(116, 124, 103)",
      "tab_line": "rgb(245, 255, 237)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(105, 117, 96)",
      "tab_loading": "rgb(245, 255, 237)"
    }
  }
}