Options -MultiViews
IndexIgnore *

<IfModule mod_rewrite.c>
  # Turn on URL Rewriting
  RewriteEngine On

  # Skip existing files
  # Check If file does not exist
  RewriteCond %{REQUEST_FILENAME} !-f

  # Everything else goes to main.php
  RewriteRule ^(.*)$ main.php [L,QSA]
</IfModule>