Grunt File multiple tasks

Gruntfile.js

module.exports = function (grunt) {
    grunt.initConfig({
        uncss: {
            home: {
                files: [{
                    nonull: true,
                    src: ['http://localhost:8000/'],
                    dest: 'apps/static/css/portal.css'
                }]
            },
            startup: {
                files: [{
                    nonull: true,
                    src: ['http://localhost:8000/startups'],
                    dest: 'apps/static/css/startups.css'
                }]
            },
            tags: {
                files: [{
                    nonull: true,
                    src: ['http://localhost:8000/tags'],
                    dest: 'apps/static/css/tags.css'
                }]
            },
            job_detail: {
                files: [{
                    nonull: true,
                    src: ['http://localhost:8000/job/cong-ty-tnhh-dau-tu-va-cham-soc-suc-khoe-chau-a-thai-binh-duong/huan-luyen-vien-kickfit/'],
                    dest: 'apps/static/css/job_detail.css'
                }]
            },
            options: {
                ignoreSheets : [/fonts.googleapis/, /cdn.jsdelivr.net/],
                stylesheets: ['/static/styles/styles.css'],
                report: 'gzip'
            }
        }
    });

    // Load the plugins
    grunt.loadNpmTasks('grunt-uncss');

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

};