这篇文章主要讲解了“CSS常用属性的默认值总结”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“CSS常用属性的默认值总结”吧！

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代码如下:

html, address,
blockquote,
body, dd, div,
dl, dt, fieldset, form,
frame, frameset,
h2, h3, h4, h5,
h6, h7, 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 }
h2 { font-size: 2em; margin: .67em 0 }
h3 { font-size: 1.5em; margin: .75em 0 }
h4 { font-size: 1.17em; margin: .83em 0 }
h5, p,
blockquote, ul,
fieldset, form,
ol, dl, dir,
menu { margin: 1.12em 0 }
h6 { font-size: .83em; margin: 1.5em 0 }
h7 { font-size: .75em; margin: 1.67em 0 }
h2, h3, h4, h5,
h6, h7, 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: 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 }
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: 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 }
@media print {
h2 { page-break-before: always }
h2, h3, h4,
h5, h6, h7 { page-break-after: avoid }
ul, ol, dl { page-break-before: avoid }

感谢各位的阅读，以上就是“CSS常用属性的默认值总结”的内容了，经过本文的学习后，相信大家对CSS常用属性的默认值总结这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！

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