Examine source code of SoloLevelingVioSmall

{
  "name": "SoloLevelingVioSmall",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Theme1_3.png"
    },
    "colors": {
      "frame": "rgba(160, 0, 204, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(204, 0, 156, 0.45)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(110, 0, 173, 0.81)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd343059-0e59-4b66-935e-9704144959b4}"
    }
  }
}