XHTML语言默认的CSS样式

html,address,
blockquote,
body,dd,div,
dl,dt,fieldset,form,
frame,frameset,
h1,h2,h3,h4,
h5,h6,noframes,
ol,p,ul,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           { margin:8px;line-height:1.12}
h1             { font-size:2em;margin:.67em0}
h2             { font-size:1.5em;margin:.75em0}
h3             { font-size:1.17em;margin:.83em0}
h4,p,
blockquote,ul,
fieldset,form,
ol,dl,dir,
menu           { margin:1.12em0}

h5             { font-size:.83em;margin:1.5em0}
h6             { font-size:.75em;margin:1.67em0}
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}
button,textarea,
input,object,
select         { display:inline-block;}
big            { font-size:1.17em}
small,sub,sup {font-size:.83em}
sub            { vertical-align:sub}
sup            { vertical-align:super}
table          { border-spacing:2px;}
thead,tbody,
tfoot          { vertical-align:middle}
td,th         { vertical-align:inherit}
s,strike,del { text-decoration:line-through}
hr             { border:1pxinset}
ol,ul,dir,
menu,dd       { margin-left:40px}
ol             { list-style-type:decimal}
ol ul,ulol,
ul ul,olol   {margin-top:0;margin-bottom:0}
u,ins         { text-decoration:underline}
br:before      { content:"/a"}
:before,:after {white-space:pre-line}

center         { text-align:center}
abbr,acronym  { font-variant:small-caps;letter-spacing:0.1em}
:link,:visited {text-decoration:underline}
:focus         { outline:thindottedinvert}

/* beginbidirectionalitysettings(donotchange)*/
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}

@media print{
h1           { page-break-before:always}
h1,h2,h3,
h4,h5,h6   { page-break-after:avoid}
ul,ol,dl   { page-break-before:avoid}