Examine source code of #01 - murky sky

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#bd75a4",
      "tab_background_text": "#7aadd9"
    }
  },
  "version": "2.0",
  "name": "#01 - murky sky",
  "manifest_version": 2,
  "description": "murky sky (watercolor-based)\n❃ somewhat blurry\n❃ features of a watercolor texture\n❃ soft hues of blue-violet-orange"
}