Free form (width & height)
The above embed has a 100% width and 350(pixels) height.
4:3 ratio
You may have videos that have a different ratio. In this case 4:3. The videos found above this one are 16:9 though.
The above embed has a 100% width and 350(pixels) height.
You may have videos that have a different ratio. In this case 4:3. The videos found above this one are 16:9 though.