How to make embed videos responsive without manually resizing the width and height using this awesome script!
http://fitvidsjs.com/ and does support YouTube, Vimeo, Blip.tv, Viddler, and Kickstarter.
All you have to do is to copy the embed code and paste it. That’s it and you’re set. No CSS. No modification. Good to go! Thanks to John@Bordner for reminding me!