How to configure WAMP for codeingiter?

$this->load->helper('url');

<?php echo base_url('assets/css/jquery-ui.css');?>

<link type="text/css" rel="stylesheet" href="<?php echo base_url('assets/css/jquery-ui.css');?>">

application

assets > css

assets > js

assets > images

system

.htaccess

index.php

$config['base_url'] = 'http://localhost/portal/';

// If need to remove index.php make blank
$config['index_page'] = ''; 

Options +FollowSymLinks
Options -Indexes
DirectoryIndex index.php
RewriteEngine on
RewriteCond $1 !^(index\.php|assets|robots\.txt)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L,QSA]