Examine source code of PC Master Race

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ff0505",
      "tab_background_text": "#001aff"
    }
  },
  "version": "2.0",
  "name": "PC Master Race",
  "manifest_version": 2,
  "description": "May your framerates be high and your temperatures low. \nHail GabeN\n1/28/2015 - Updated to better fit 1920 x 1080 browser window"
}