Examine source code of Material Violet

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Material Violet",
  "theme": {
    "images": {
      "theme_frame": "purple-violet-magenta.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#FFFFFF",
      "tab_line": "#8317ff",
      "popup_highlight": "rgba(255, 255, 255, 0.43)",
      "button_background_active": "rgba(255, 255, 255, 0.5)",
      "button_background_hover": "rgba(255, 255, 255, 0.35)",
      "popup": "rgb(50, 21, 75)",
      "popup_text": "#FFFFFF",
      "tab_background_separator": "#FFFFFF",
      "tab_loading": "#FFFFFF",
      "toolbar": "rgba(255, 255, 255, 0.2)",
      "toolbar_field": "rgba(255, 255, 255, 0.3)",
      "toolbar_field_text": "white",
      "toolbar_field_border": "gray",
      "toolbar_field_focus": "rgba(255, 255, 255, 0.3)"
    }
  }
}