Examine source code of Feeling Your Wave

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Feeling Your Wave",
  "manifest_version": 2,
  "description": "Yo!~ minna ^_^\n\nThis is the first theme i have made xD\nI really love this Wave song cuz it's awesome regardless of who utaite sing it <3 <3\n\nPicture: Shoes from Nico Nico Singer (Credits to Tuki Tukumo-san)\n\nHope ya enjoy it~"
}