support is not online during weekends. better to contact them during businesss hours - i always get quick support on live chat. i think their hours are from 3am-12pm GMT or 8pm-5am PST
... but just in case you come crawling back ... here's the answer...
Go to "Appearance / Editor" .... and you will see all the theme files there to modify to your hearts content. As to "How?" ... It depends on which file and what you want to do. But seeing as you don't mention that ... I can't answer it because you are a ...