PageSpeed Insights - CSS Delivery

Hi SI team

https://developers.google.com/speed/pagespeed/insights/?url=finalbug.net&tab=desktop

says:

Optimize CSS Delivery of the following:
http://finalbug.net/…nents/com_easyblog/assets/css/common.css
http://finalbug.net/…m_easyblog/themes/default/css/styles.css
http://finalbug.net/…ial/themes/wireframe/styles/base.min.css
http://finalbug.net/…al/themes/wireframe/styles/style.min.css
http://finalbug.net/…ial/themes/wireframe/styles/more.min.css
http://finalbug.net/…box.css?a3b640def3ef13678e19cfeeb7397c85
http://finalbug.net/…yle.css?36c352a2b4ad8aa73f93eb9d76da8882
http://finalbug.net/…izer/modals/colorbox/style1/colorbox.css
http://finalbug.net/modules/mod_rquotes/assets/rquote.css
http://finalbug.net/…nents/com_easyblog/assets/css/module.css
http://finalbug.net/…d_easysocial_logbox/styles/style.min.css

Could you give me some pointers how to optimize this?

thanks

Paul