module.exports = function(grunt) {
    // Do grunt-related things in here.
    grunt.initConfig({
        // Project configuration
        pkg: grunt.file.readJSON('package.json'),

        jshint: {
            files: ['gruntfile.js'],
        }
    });

    // Load the plugins that provides the tasks:
    grunt.loadNpmTasks('grunt-contrib-jshint');

    // Default tasks:
    grunt.registerTask('default', ['jshint']);

};
@@ -230,16 +230,206 @@
 e.js'%5D,%0A
+        %7D,%0A%0A        concat: %7B%0A            css: %7B%0A                src: %5B'node_modules/normalize.css/normalize.css', 'src/css/style.css'%5D,%0A                dest: 'dist/style.css'%0A            %7D%0A
         
@@ -535,16 +535,64 @@
 shint');
+%0A    grunt.loadNpmTasks('grunt-contrib-concat');
 %0A%0A    //
@@ -650,15 +650,25 @@
 'jshint'
+, 'concat'
 %5D);%0A%0A%7D;

Add 'concat' task to 'gruntfile.js'