この附属書Aは参考であって, 規定ではない。
次のスタイルシートは，現在のUAの実践の広範な調査に基づいて，すべてのHTML 4.0 ([HTML40]) 要素の典型的なフォーマット化を記述している。 開発者は，実装の際，デフォルトのスタイルシートとしてこれを使用することを推奨する。
置換要素 (IMG, OBJECT), スクリプト要素(SCRIPT, APPLET), フォーム制御要素及び フレーム要素などのいくつかのHTML要素は，CSS2では完全な表示を表現できない。
ADDRESS,
BLOCKQUOTE,
BODY, DD, DIV,
DL, DT,
FIELDSET, FORM,
FRAME, FRAMESET,
H1, H2, H3, H4,
H5, H6, IFRAME,
NOFRAMES,
OBJECT, OL, P,
UL, APPLET,
CENTER, DIR,
HR, MENU, PRE { display: block }
LI { display: list-item }
HEAD { display: none }
TABLE { display: table }
TR { display: table-row }
THEAD { display: table-header-group }
TBODY { display: table-row-group }
TFOOT { display: table-footer-group }
COL { display: table-column }
COLGROUP { display: table-column-group }
TD, TH { display: table-cell }
CAPTION { display: table-caption }
TH { font-weight: bolder; text-align: center }
CAPTION { text-align: center }
BODY { padding: 8px; line-height: 1.33 }
H1 { font-size: 2em; margin: .67em 0 }
H2 { font-size: 1.5em; margin: .83em 0 }
H3 { font-size: 1.17em; margin: 1em 0 }
H4, P,
BLOCKQUOTE, UL,
FIELDSET, FORM,
OL, DL, DIR,
MENU { margin: 1.33em 0 }
H5 { font-size: .83em; line-height: 1.17em; margin: 1.67em 0 }
H6 { font-size: .67em; margin: 2.33em 0 }
H1, H2, H3, H4,
H5, H6, B,
STRONG { font-weight: bolder }
BLOCKQUOTE { margin-left: 40px; margin-right: 40px }
I, CITE, EM,
VAR, ADDRESS { font-style: italic }
PRE, TT, CODE,
KBD, SAMP { font-family: monospace }
PRE { white-space: pre }
BIG { font-size: 1.17em }
SMALL, SUB, SUP { font-size: .83em }
SUB { vertical-align: sub }
SUP { vertical-align: super }
S, STRIKE, DEL { text-decoration: line-through }
HR { border: 1px inset }
OL, UL, DIR,
MENU, DD { margin-left: 40px }
OL { list-style-type: decimal }
OL UL, UL OL,
UL UL, OL OL { margin-top: 0; margin-bottom: 0 }
U, INS { text-decoration: underline }
CENTER { text-align: center }
BR:before { content: "\A" }
/* An example of style for HTML 4.0's ABBR/ACRONYM elements */
ABBR, ACRONYM { font-variant: small-caps; letter-spacing: 0.1em }
A[href] { text-decoration: underline }
:focus { outline: thin dotted invert }
/* Begin bidirectionality settings (do not change) */
BDO[DIR="ltr"] { direction: ltr; unicode-bidi: bidi-override }
BDO[DIR="rtl"] { direction: rtl; unicode-bidi: bidi-override }
*[DIR="ltr"] { direction: ltr; unicode-bidi: embed }
*[DIR="rtl"] { direction: rtl; unicode-bidi: embed }
/* Elements that are block-level in HTML4 */
ADDRESS, BLOCKQUOTE, BODY, DD, DIV, DL, DT, FIELDSET,
FORM, FRAME, FRAMESET, H1, H2, H3, H4, H5, H6, IFRAME,
NOSCRIPT, NOFRAMES, OBJECT, OL, P, UL, APPLET, CENTER,
DIR, HR, MENU, PRE, LI, TABLE, TR, THEAD, TBODY, TFOOT,
COL, COLGROUP, TD, TH, CAPTION
{ unicode-bidi: embed }
/* End bidi settings */
@media print {
@page { margin: 10% }
H1, H2, H3,
H4, H5, H6 { page-break-after: avoid; page-break-inside: avoid }
BLOCKQUOTE,
PRE { page-break-inside: avoid }
UL, OL, DL { page-break-before: avoid }
}
@media speech {
H1, H2, H3,
H4, H5, H6 { voice-family: paul, male; stress: 20; richness: 90 }
H1 { pitch: x-low; pitch-range: 90 }
H2 { pitch: x-low; pitch-range: 80 }
H3 { pitch: low; pitch-range: 70 }
H4 { pitch: medium; pitch-range: 60 }
H5 { pitch: medium; pitch-range: 50 }
H6 { pitch: medium; pitch-range: 40 }
LI, DT, DD { pitch: medium; richness: 60 }
DT { stress: 80 }
PRE, CODE, TT { pitch: medium; pitch-range: 0; stress: 0; richness: 80 }
EM { pitch: medium; pitch-range: 60; stress: 60; richness: 50 }
STRONG { pitch: medium; pitch-range: 60; stress: 90; richness: 90 }
DFN { pitch: high; pitch-range: 60; stress: 60 }
S, STRIKE { richness: 0 }
I { pitch: medium; pitch-range: 60; stress: 60; richness: 50 }
B { pitch: medium; pitch-range: 60; stress: 90; richness: 90 }
U { richness: 0 }
A:link { voice-family: harry, male }
A:visited { voice-family: betty, female }
A:active { voice-family: betty, female; pitch-range: 80; pitch: x-high }
}