To make your videos respond to user resizing of windows or using mobile platforms, activate the Fluid Video Embeds plugin and wrap your videos in [fve][/fve] tags, e.g.
How It Works
All you really need to know is that Fluid Video Embeds automatically sizes your video to fit the available space.
NOTE: It ignores any width or height attributes you may designate.
NOTE: This only works with the video URL, not the vimeo shortcode
Previewing the Video
In order to preview the video, you need to publish the page. Using the page preview button does not show the embedded video. Once the page has been published, if there is a problem, you can still edit the FVE shortcode to correct any issues.