Examine source code of Dandelion-02

{
  "theme": {
    "images": {
      "theme_frame": "nature_dandelion_02_header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Dandelion-02",
  "manifest_version": 2,
  "description": "as usual, it is not my work but customized from other art work :\\"
}