HTML的各个标签的默认样式有哪些

html-css021

HTML的各个标签的默认样式有哪些,第1张

head{ display: none }

body{ margin: 8pxline-height: 1.12 }

button, textarea,input, object,select { display:inline-block}

ol, ul, dir,menu, dd{ margin-left: 40px }

i, cite, em,var, address{ font-style: italic }

//块级元素

html, body, div,ol, p, ul, h1, h2,h3,h4,h5, h6,

address,blockquote, form,

dd,dl, dt, fieldset, frame, frameset,noframes,center, dir, hr, menu, pre

{ display: block }

//列表元素

li{ display:list-item }

ol{list-style-type: decimal }

ol ul, ul ol,ul ul, ol ol { margin-top: 0margin-bottom: 0 }

//标题

h1{ font-size:2emmargin: .67em 0 }

h2{ font-size:1.5emmargin: .75em 0 }

h3{ font-size:1.17emmargin: .83em 0 }

h4, p,blockquote, ul,fieldset, form,ol, dl, dir,menu { margin: 1.12em 0}

h5 { font-size:.83emmargin: 1.5em 0 }

h6{ font-size:.75emmargin: 1.67em 0 }

h1, h2, h3, h4,h5, h6, b,strong { font-weight: bolder }

//伪类

br:before{ content: ”\A” }

:before, :after{ white-space: pre-line }

:link, :visited { text-decoration: underline }

:focus{ outline: thin dotted invert }

//表格

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: boldertext-align: center }

caption{ text-align: center }

table{ border-spacing: 2px}

thead, tbody,tfoot { vertical-align:middle }

td, th { vertical-align:inherit }

//其它元素

blockquote{ margin-left: 40pxmargin-right: 40px }

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 }

u, ins{ text-decoration:underline }

center{ text-align: center }

abbr, acronym{ font-variant: small-capsletter-spacing:0.1em }

BDO[DIR="ltr"] { direction: ltrunicode-bidi:bidi-override }

BDO[DIR="rtl"] { direction: rtlunicode-bidi:bidi-override }

/*定义BDO元素当其属性为DIR="ltr/rtl"时的默认文本读写显示顺序*/

*[DIR="ltr"]{ direction: ltrunicode-bidi: embed }

*[DIR="rtl"] { direction: rtlunicode-bidi: embed }

/*定义任何元素当其属性为DIR="rtl/rtl"时的默认文本读写显示顺序*/

@media print {

h1{page-break-before: always }

h1, h2, h3,h4, h5, h6{ page-break-after: avoid }

ul, ol, dl{ page-break-before: avoid }

} /*定义标题和列表默认的打印样式*/

在HTML页面中总会遇到比较恼人的麻烦，比如a标签在浏览器下默认的下划线跟字体颜色：

1.在div标签中的a标签和在浏览器下的样式：

2.通过css查找到div里面的a标签，再通过text-decoration属性，去除默认下滑线，color属性添加颜色：

完工。