Comments box backdrop div missing

Added
LB-656:Locally deployed Embed URL (stt theme) -> YouTube video was halved when the iPad was hold in vertically long position

Resolved for frontend themes.
Styling embed user comment posts

Finished
Conflicts resolved
Merge pull request #181 from nidzix/user-comments-fix

LB-656:Locally deployed Embed URL (stt theme) -> YouTube video was ha…
Merge pull request #2 from nistormihai/lb-user-comments-message

LB-735: Show message when user post a comment.
do stying for after comment msg popup

fixed
Merge pull request #4 from nidzix/style-comment-message

Style comment message
LB-735: Show message when user post a comment.

added backdropel to the message.