Examine source code of Kyoto Opal

{
  "theme": {
    "images": {
      "theme_frame": "persona-head.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Kyoto Opal",
  "manifest_version": 2,
  "description": "\"Kyoto Opal\" is synthetic opal that was made by KYOCERA.\nSynthesize silica particles has been strengthen by colored plastics.\nThe each color beads were named from traditional color names of Japan.\nwhite bead ..... Gofun (sea shell powder)\npink bead ..... Sakula-ilo (cherry blossoms)\nsky blue bead ..... Asagi-ilo (pale leek)\ndark red bead ..... Karakulenai (Korean-Chinese-style carmine)\ndark brown bead ..... Momoshiocha (repeatedly dyed)"
}