New user screen CSS updates
LB-757 : Youtube's thumbnail became disproportionally larger on timeline

Fixed
Merge pull request #46 from nidzix/lb-757-youtube-responsive

LB 757 youtube responsive
LB-760 : Soundcloud's thumbnail became disproportionally larger on timeline

Fixed
Merge pull request #47 from nidzix/lb-760-soundcloud-frame

Quick CSS fix for soundcloud post