Ok can you try this:
AddHandler application/x-httpd-php54 .php
RewriteEngine On
RewriteBase /
# Start CloudFlare:tramvaj.info rewrite. Do not Edit
RewriteCond %{HTTP_HOST} ^mysite.info
RewriteRule ^ http://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L,NE]
# End CloudFlare rewrite.
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}\.html -f
RewriteRule ^(.+?)/?$ $1.html [L]