As of the , the skew transform is no longer part of the CSS3 specification. In it's place, skewX and/or skewY can be used to achieve
the required effect. The code example has been updated to reflect this.
For more information see bug 734953.
In Table 7.1, there's a typo in the description for transition-property, which should read: "Specifies the name(s) of the property to which the transition
is to be applied". In the text, the stressed word is "transition" which is incorrect.