{"download":{"MP3":"http:\/\/downloads.cs50.net\/2012\/fall\/shorts\/css\/css.mp3","MP4 (240p)":"http:\/\/downloads.cs50.net\/2012\/fall\/shorts\/css\/css-240p.mp4","MP4 (360p)":"http:\/\/downloads.cs50.net\/2012\/fall\/shorts\/css\/css-360p.mp4","MP4 (720p)":"http:\/\/downloads.cs50.net\/2012\/fall\/shorts\/css\/css-720p.mp4","MP4 (1080p)":"http:\/\/downloads.cs50.net\/2012\/fall\/shorts\/css\/css-1080p.mp4"},"srt":{"afr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/afr\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=i28UeVl4VgqrNizkdruULdKFDK4%3D","alb":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/alb\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Nv6YQvfomQ5NAl1SCJozunl7xzI%3D","ara":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/ara\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=j3N5938qcmTGfxuA0fTCBkaHpfM%3D","aze":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/aze\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=tU1isBfdw6oFsdiZ%2BiKu1Dlz%2FkM%3D","baq":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/baq\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=I7PVhAhJDbfzuZOE7hLO51hA9xI%3D","bel":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/bel\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=WK0rZsCYnJQ62%2F3ttRE7H0LbYWA%3D","ben":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/ben\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=QSp7fP68fh2U5vglVlD5R5WjE9Q%3D","bul":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/bul\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=97q5lqpShu8xm2A6q7IquoXxcb8%3D","cat":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/cat\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Z9kgZCX6%2FHbeBmqFDm%2FJvC0UxiA%3D","chi_hans":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/chi_hans\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=24cz9ziIK8BJtZIgdHBvrhca2z0%3D","chi_hant":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/chi_hant\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=nLh%2FINf4YeCGzCnouxFdz0tqvWw%3D","cze":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/cze\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=aR8G4zU7FXW7w%2FZ5ki%2BAzeK5N10%3D","dan":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/dan\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=w%2BfAg7dSAuvffztgamB3OFoWGbg%3D","dut":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/dut\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=yf%2F%2FQ9o8c9lTT0KU%2FnC%2BCcwycpE%3D","eng":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/eng\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=yzKZxZ9%2BYdLH7T8H0qQufuXmyUg%3D","epo":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/epo\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Skj68%2FvML%2FP43qwYOD0Kr5YqVdA%3D","est":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/est\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=3VCtKvm34aGHK4ovjDYlmQrUWlc%3D","fil":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/fil\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=xTSrDamvJOOjDsqGM9Ub3iPyx1A%3D","fin":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/fin\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Nurz5Pf559%2Fa%2FIsgGl0geYSY%2BV8%3D","fre_fr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/fre_fr\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Bz%2Bxd5eLXJyxxkJ9ZlHI9r7CA4A%3D","geo":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/geo\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=WYtfWqNKRp%2FOFojYKDagi2hGiL0%3D","ger":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/ger\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=1v8c7GePGn451Q9pWjckYmZIWno%3D","gle":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/gle\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=ojBshfEa8d3mt5O7LsHgcdBoj2Y%3D","glg":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/glg\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=BFjypura%2B4U4ou3ysnkKfy2%2BTBI%3D","gre":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/gre\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=2oyFu0kol%2FzBgXkXKzn2DrPRsEQ%3D","guj":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/guj\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=gswTmqFrKorneyY3Iv77oE0MliQ%3D","hat":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/hat\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=TI7nJYeZUdRM5%2BWRSrs3o1rtN5A%3D","heb":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/heb\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=I%2F5wIBcT6IAgp20eLBREzgdtEHU%3D","hin":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/hin\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=eJOkllRbpwPKda%2Ba8xPHM%2B3R5Ts%3D","hun":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/hun\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=cEpWavUXRqRkQy%2FlPoOobiwQ9kE%3D","ice":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/ice\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Gc11gYM6v%2BYskqI0PDtxICPuzXE%3D","ind":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/ind\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=RjcBo5uF8QMhGJRWweRRHf9SeEQ%3D","ita":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/ita\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=F%2FAMPtRotz0Ica97HUveBQkzpLk%3D","jpn":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/jpn\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=zgz%2F9lG%2BluxTA7PNHP0%2B9ABksqY%3D","kan":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/kan\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Hky2bWjVUogjxYIRkTsg4oeHR74%3D","kor":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/kor\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=CIGgZLcneYYsnLANjMt8OODQYVk%3D","lat":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/lat\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=mJKLUk4of4bOEKxM9idNcI6rfy4%3D","lav":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/lav\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=tPAhQRP2xp7KLnOeQ9X51NNdw3I%3D","lit":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/lit\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=fqUebMKIRjtIjvDxavRheuJDzEY%3D","mac":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/mac\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=jkGbV6ZJZ12%2FJR4EYgYXHWrwANE%3D","may":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/may\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=SIFS06PJoDKWGX4jKsbX6IZzCds%3D","mlt":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/mlt\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=Q5sNbuDrTtuzDaurbhsAw9lO0Wk%3D","nor":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/nor\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=I5xTGAcOqMjDTsWKjUU10qJIByk%3D","per":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/per\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=PcjhITU77%2B7mmVWbkE5OK5A7cOA%3D","pol":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/pol\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=hxEAII9nwZHWa73HokNIOMS%2BRcM%3D","por_pt":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/por_pt\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=35hFgqBhSy5w6%2Fw3vBIMiNGxGXU%3D","rum":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/rum\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=MupDv3ZYZw3pswjiyqQJPaSWtgA%3D","rus":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/rus\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=ifiXuYSqRL7cNIC9qM0xlTvoagg%3D","scc":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/scc\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=SqaSHIylbz%2FJ7FYFM%2B9Hw%2BahmSY%3D","scr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/scr\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=I1qaDlgEqP1WtMdpheVdOfmbTKM%3D","slo":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/slo\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=TkaJtTSXEbSyqFcIPc9Cj%2BBUTRc%3D","slv":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/slv\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=CVP5iveuJPkBppkskaW%2F11ElIjg%3D","spa":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/spa\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=D3ppkH4Ua7DVylBcqSFo0LnGDRw%3D","swa":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/swa\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=gECBeNSL8D%2BWIo9qF5mit6k1zW8%3D","swe":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/swe\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=HzBPIzVYiN2PHZd3NrTAjrvURMo%3D","tam":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/tam\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=U56F0U8qmSA6xVZqCnCFw%2B2wfsM%3D","tel":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/tel\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=bfLNJNj2RlbrXEnWxRzdBXdhTRk%3D","ukr":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/ukr\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=pFX67ecrprT7oyBhWD9hUV9Q8MY%3D","urd":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/urd\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=fU4ihtFIjTba4aw2E2MK6SRpD%2FU%3D","vie":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/vie\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=zXMgITYFytgReOhdPEnHo1YJ6ko%3D","wel":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/wel\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=snCDih6uB%2Foee42UZ1oMNwm2ZzM%3D","yid":"http:\/\/cdn.cs50.net.s3.amazonaws.com\/2012\/fall\/shorts\/css\/lang\/yid\/css.srt?response-cache-control=no-cache&AWSAccessKeyId=AKIAJXVDJ7CBFTKPYYPQ&Expires=1383663204&Signature=uFiRVmt32aUClAJw2kbLjnmQRQE%3D"},"thumbnail":"http:\/\/cdn.cs50.net\/2012\/fall\/shorts\/css\/css.png","streamUrl":"rtmp:\/\/stream.cs50.net\/cfx\/st\/","title":"CSS","author":"Joseph Ong","video":{"240p":{"height":240,"width":426.66665649414,"framerate":29.97,"bitrate":191461,"duration":474,"path":"2012\/fall\/shorts\/css\/css-240p.mp4"},"360p":{"height":360,"width":640,"framerate":29.97,"bitrate":638824,"duration":474,"path":"2012\/fall\/shorts\/css\/css-360p.mp4"},"720p":{"height":720,"width":1280,"framerate":29.97,"bitrate":1630414,"duration":474,"path":"2012\/fall\/shorts\/css\/css-720p.mp4"},"1080p":{"height":1080,"width":1920,"framerate":29.97,"bitrate":2630037,"duration":474,"path":"2012\/fall\/shorts\/css\/css-1080p.mp4"}},"torrents":{"MP3":"http:\/\/torrents.cs50.net\/2012\/fall\/shorts\/css\/css.mp3","MP4 (240p)":"http:\/\/torrents.cs50.net\/2012\/fall\/shorts\/css\/css-240p.mp4","MP4 (360p)":"http:\/\/torrents.cs50.net\/2012\/fall\/shorts\/css\/css-360p.mp4","MP4 (720p)":"http:\/\/torrents.cs50.net\/2012\/fall\/shorts\/css\/css-720p.mp4","MP4 (1080p)":"http:\/\/torrents.cs50.net\/2012\/fall\/shorts\/css\/css-1080p.mp4"},"videoUrl":"http:\/\/cdn.cs50.net\/"}