DirectoryIndex index.php index.html index.htm
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
ErrorDocument 403 /index.php
ErrorDocument 404 /index.php
</IfModule>