Classes/IDs are defined below, grouped by corresponding XSL template/description.

New CSS
-------

[* denotes CSS selector from original XSLT]

#lg: logo
 logo - Logo

#sk: Skip Links
 skip_links - Skip links

#sw: Stop-words
  result_page_header - Stop-words

#er: Empty Result Set
.p: Paragraph Text (*)
  no_RES - No Results

#f: Advanced Search Form
#as_q: Advanced Search Query
#as_epq: AS Exact Phrase Query
#as_oq: AS One Word Query
#as_eq: AS Excluding Word Query
#lr: Language Restriction
#as_ft: AS File Toggle
#as_filetype: AS File Type
#as_occt: AS Occurrence of Terms
#as_dt: AS Domain Toggle
#as_sitesearch: AS Site/Domain Search
#sort: Sort
#as_access_p: AS Access Public Content
#as_access_a: AS Access All Content
.first: First AS Parameter Set
.param: AS Parameter Name/Label
.pair: AS Field Pair
.name: AS Field Name
.value: AS Field Value
  advanced_search - Search Form (Part One)

#h: Page Specific Search Form
#as_lq: AS Link Query
  advanced_search - Search Form (Part Two)

.gs: Go Search
  advanced_search - Search Forms

#sr: Search Within Results message text
  search_box - Search Within Results

.sa: Search Access
.ac: Access Choice
.sn: Search Navigation
.as: Advanced Search
.bt: Button (Image)
  search_box - Search Form (Header and Footer)

#sf: Search Form
#q: Query
#gs: Go Search
#access_p: Access Public Content
#access_a: Access All Content
  search_box - Search Form (Header)

#sb: Search Form
#q_f: Query
#gs_f: Go Search
#access_p_f: Access Public Content
#access_a_f: Access All Content
  search_box - Search Form (Footer)

#so: Sort
.sp: Stealth Punctuation (shown when CSS is disabled)
  sort_by - Sort By (in Navigation - Top)

#ns: Navigation/Sort-By
#km: Keymatch Results
#re: Search Results
#om: Omitted (filter note)
  results - Search Results

#ss: Spelling Suggestions
  spelling - Spelling Suggestions

#sy: Synonym Suggestions
  synonyms - Synonym Suggestions

.l2: Level 2 Result
.rn: Result Number
.ft: File Type
.l: Link Text (*)
.mt: Meta Tags
.st: Statistics (URL, Size, Date, etc.)
.a: Anchor Text (*)
.fm: "For More" Results or View All Data
.f: "More Results From" Text (*)
  "R" - Single Result

.f: Metadata Text (*)
  "MT" - Meta Tag

.l: Link Text (*)
.a: Anchor Text (*)
  "GM" - KeyMatch Result

.s: Snippet (*)
.s2: Snippet Part Two
  reformat_keyword - Reformat Keyword Match

.rc: Result Cache ("Cached" or "Text Version" Link)
.f: Cache/Text Link Text (*)
  "C" - Cache Info

.pp: Previous Page
.np: Next Page
  nav_dir: Navigation Directional Endpoints (Header)

.pr_b: Previous Page
.fp: First Page
.ne_b: Next Page
.lp: Last Page
  nav_dir: Navigation Directional Endpoints (Footer)

#nt: Navigation - Top
#n: Navigation - Bottom
.go: "Goooogle" Navigation
.ln: "Links-Only" Navigation
.sp: Stealth Punctuation
.co: Content Wrapper
  google_navigation - Result Navigation

.cp: Current Page
  result_nav - Result Page Number Navigation

#su: Summary of Results
.st: Search Time
  top_sep_bar - Top Separation Bar

#co: Copyright/Colophon
  copyright - Copyright

#nd: Navigation - Desktop
  desktop_tab - Desktop for Enterprise Tabs


Original CSS
------------

Classes in gsa-4.6.2.S.22: a, b, f, g, i, l, n, p, q, s, z
Classes in CSS but unused: d, t, w

a: "anchor" text
 "GM" - Keymatch URL text

b: "bottom" navigation
 google_navigation - bottom nav

d: unknown

f: "from" text
 "R" - more links and view all data text
 "MT" - Metadata name
 "C" - Cached link text

g: hmm ... why g?
 "R" - 2nd level result

i: current page (hmm ... why i?)
 result_nav - current page text

l: "link" text
 "R" - result link text

n: "navigation"
 google_navigation - bottom nav

p: "paragraph" text
 my_page_footer - footer text
 no_RES - error text
 spelling - msg text
 synonyms - msg text

q: "query" links
 desktop_tab - Google Desktop links

s: "snippet", "sort" text and "top" nav
 sort_by - sort by text
 "R" - snippet text
 google_navigation - top nav

t: unknown

w: unknown

z: "hidden"
 top_sep_bar - horizontal rule

oneboxResults: OneBox results