Examine source code of Spring Dots2

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#eafcf7",
      "tab_background_text": "#1e6d6e"
    }
  },
  "version": "2.0",
  "name": "Spring Dots2",
  "manifest_version": 2,
  "description": "Spring Dots has subtle background colors that allow you to read your tabs!"
}