| body | documentElement | |
|---|---|---|
| margin | unknown or not available | unknown or not available |
| border | unknown or not available | unknown or not available |
| padding | unknown or not available | unknown or not available |
| overflow | unknown or not available | unknown or not available |
| overflow-y (CSS 3) | not supported | not supported |
| css width | unknown or not available | unknown or not available |
| css height | unknown or not available | unknown or not available |
A complete, helpful and very revealing grid of default values of CSS properties for elements in mainstream browsers is available at Alan Gresley's CSS2.1 User Agent Style Sheet Defaults.
For all your browsing needs, I recommend using
