I have tested and worked with a big and biggest CMS like wordpress, drupal , joomla , magento, and many others, taking the first one as part of my big portfolio and experience as u can corroborate with my experience. CSS/HTML/jQuery are part of my daily work and mixing this knowledge with wordpress and PHP, I am disposed to create almost any challenge that client put to me and becoming it in a good product. Would be awesome to meet u and make a team to create very awesome things.