Examine source code of southern metal

{
  "theme": {
    "images": {
      "theme_frame": "southmetal_Header_LABS-copy.png"
    },
    "colors": {
      "frame": "#e6e3e3",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "southern metal",
  "manifest_version": 2,
  "description": "rebel flags and skulls on a metal design"
}