Rocekd Theme- Home Page Edit

Hi
my question is about
How can i edit my home page with page builder ¡ ? i saw in your video demo you edit home page
I need to put in the place of slider , a same size box with video background clip , whit the text in front , like actually background image but whit video clip
www.delphsoft.com/site
How can i center the icons for features widget , appear y the left , i put two features , delete widget from right sidebar , Center text title and center icons
How can i add an icon at the beginning of ich text line description
how can i add a button inside text editor ,, that the link bring the user to pdf file and would read online
how can i duplicate the site for other language , actually in spanish
thanks

URL: http://delphsoft.com/site/