In addition, a relative keyword can be specified as one of larger or smaller. It should be noted that relative values, keywords and percentages relate to the parent element's font-size. In theory it is preferable to use relative font sizes. This means that, unless you have detailed knowledge of how to avoid this problem , you will probably find it easier to use pixels. Bigger aspect values mean that the fonts look bigger at the same font-size.
Few browsers supports oblique, most either ignoring it or simply rendering it as italic.
This can be specified as normal or small-caps, where normal is the initial value. It can also be specified as lighter or bolder, which will result in the next lighter or bolder font than the inherited value. Or it can take a relative value of wider or narrower. It is inherited and is intially normal. This specifies the height of lines.