Force the letters of an element to be UPPERCASE or lowercase.
Change words or letters into their uppercase/lowercase equivalent, based on the
lang attribute of the document's
|capitalize||Change the first letter of each word to be in captialized form|
|uppercase||Change every letter of the element to be its uppercase variant|
|lowercase||Change every letter of the element to be its lowercase variant|
|full-width||Make each Japanese kanji occupy the full size of its character box|
|full-size-kana||Force small-size Japanese hiragana/katakana to be their full-size equivalent|