Available blocks

Hello,

I have wordpress 3.8 and U-Design theme.
I want starting to use this plugin to rebuild the homepage instead of the homepage that comes with the U-Design theme. Exist any known problem with this? My second question is: Why i can´t see the container (Open) and container (Close) in my theme?
Thank you and great plugin 🙂

http://wordpress.org/plugins/aqua-page-builder/