RewriteRule ^/(.*)$ index.php?sayfa=kategori_goster&id=$1 [L]
RewriteRule ^hakkimizda.html$ index.php?sayfa=hakkimizda [L]
RewriteRule ^iletisim.html$ index.php?sayfa=iletisim [L]
RewriteRule ^index.html$ index.php [L].