US Patent 7581173 Methods and apparatuses for formatting web pages

Methods and apparatuses for formatting web pages through categorizing properties and values for specifying the appearance of web pages. In one aspect, a method includes: grouping styles into a set of scheme groups, one or more of the styles being capable of specifying an aspect of appearance of an element of a web page; defining a plurality of combinations of styles to create a plurality of schemes respectively for the scheme groups; assigning one scheme from one of the scheme groups to a first web page; and generating a second web page to contain content of the first web page and styles of the schemes assigned to the first web page.