Examine source code of Must Be Spring

{
  "theme": {
    "images": {
      "theme_frame": "Must-Be-Spring-Header.jpg"
    },
    "colors": {
      "frame": "#75a13b",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "Must Be Spring",
  "manifest_version": 2,
  "description": "( Tags: tulip tulips field pink red coral cheerful summer pretty beautiful flowers flower green leaf leaves stems blossoms blossom buds blooms blooming bloom sunny orange big girly bright colorful color happy fresh new wild )"
}