Help Please I am new and unable to install correctly!

I am new and trying to install the magic mirror but this code comes up:

Cloning MagicMirror Done!
Installing dependencies …
npm WARN deprecated isarray@2.0.1: Just use Array.isArray directly
npm ERR! Linux 4.9.35-v7+
npm ERR! argv “/usr/bin/nodejs” “/usr/bin/npm” “install”
npm ERR! node v6.11.0
npm ERR! npm v3.10.10
npm ERR! file /home/pi/.npm/css/2.2.1/package/package.json
npm ERR! code EJSONPARSE

npm ERR! Failed to parse json
npm ERR! Unexpected token ‘/’ at 1:1
npm ERR! /github.com/reworkcss/css.git"},“homepage”:"https://github.com/reworkcss/css#re
npm ERR! ^
npm ERR! File: /home/pi/.npm/css/2.2.1/package/package.json
npm ERR! Failed to parse package.json data.
npm ERR! package.json must be actual JSON, not just JavaScript.
npm ERR!
npm ERR! This is not a bug in npm.
npm ERR! Tell the package author to fix their package.json file. JSON.parse

npm ERR! Please include the following file with any support request:
npm ERR! /home/pi/MagicMirror/npm-debug.log
Unable to install dependencies!
pi@raspberrypi:~ $