CSS Rest (リセットスタイル) の推奨事項

CSS Reset は、デフォルトのスタイルをリセットすることを意味します。 HTML のほとんどのタグ要素は、Web ページ表示時にデフォルトの属性値を持っていますが、通常、要素のスタイルを繰り返し定義することを避けるために、デフォルトのスタイルをリセットする (CSS リセット) 必要があります。いくつかの例を示します:

1. タオバオ (CSS リセット):

html {
	overflow-x: auto;
	overflow-y: scroll;
}

body, dl, dt, dd, ul, ol, li, pre, form, fieldset, input, p, blockquote, th, td {
	font-weight: 400;
	margin: 0;
	padding: 0;
}

h1, h2, h3, h4, h4, h5 {
	margin: 0;
	padding: 0;
}

body {
	background-color: #FFFFFF;
	color: #666666;
	font-family: Helvetica,Arial,sans-serif;
	font-size: 12px;
	padding: 0 10px;
	text-align: left;
}

select {
	font-size: 12px;
}

table {
	border-collapse: collapse;
}

fieldset, img {
	border: 0 none;
}

fieldset {
	margin: 0;
	padding: 0;
}

fieldset p {
	margin: 0;
	padding: 0 0 0 8px;
}

legend {
	display: none;
}

address, caption, em, strong, th, i {
	font-style: normal;
	font-weight: 400;
}

table caption {
	margin-left: -1px;
}

hr {
	border-bottom: 1px solid #FFFFFF;
	border-top: 1px solid #E4E4E4;
	border-width: 1px 0;
	clear: both;
	height: 2px;
	margin: 5px 0;
	overflow: hidden;
}

ol, ul {
	list-style-image: none;
	list-style-position: outside;
	list-style-type: none;
}

caption, th {
	text-align: left;
}

q:before, q:after, blockquote:before, blockquote:after {
	content: ””;
}html {
	overflow-x: auto;
	overflow-y: scroll;
}

body, dl, dt, dd, ul, ol, li, pre, form, fieldset, input, p, blockquote, th, td {
	font-weight: 400;
	margin: 0;
	padding: 0;
}

h1, h2, h3, h4, h4, h5 {
	margin: 0;
	padding: 0;
}

body {
	background-color: #FFFFFF;
	color: #666666;
	font-family: Helvetica,Arial,sans-serif;
	font-size: 12px;
	padding: 0 10px;
	text-align: left;
}

select {
	font-size: 12px;
}

table {
	border-collapse: collapse;
}

fieldset, img {
	border: 0 none;
}

fieldset {
	margin: 0;
	padding: 0;
}

fieldset p {
	margin: 0;
	padding: 0 0 0 8px;
}

legend {
	display: none;
}

address, caption, em, strong, th, i {
	font-style: normal;
	font-weight: 400;
}

table caption {
	margin-left: -1px;
}

hr {
	border-bottom: 1px solid #FFFFFF;
	border-top: 1px solid #E4E4E4;
	border-width: 1px 0;
	clear: both;
	height: 2px;
	margin: 5px 0;
	overflow: hidden;
}

ol, ul {
	list-style-image: none;
	list-style-position: outside;
	list-style-type: none;
}

caption, th {
	text-align: left;
}

q:before, q:after, blockquote:before, blockquote:after {
	content: ””;
}

2. 百度 (CSS リセット):

body {
	font-family: arial,helvetica,sans-serif;
	font-size: 13px;
	font-size-adjust: none;
	font-stretch: normal;
	font-style: normal;
	font-variant: normal;
	font-weight: normal;
	line-height: 1.4;
	text-align: center;
}

body, ul, ol, dl, dd, h1, h2, h3, h4, h5, h6, p, form, fieldset, legend, input, textarea, select, button, th, td {
	margin: 0;
	padding: 0;
}

h1, h2, h3, h4, h5, h6 {
	font-size: 100%;
	font-weight: normal;
}

table {
	font-size: inherit;
}

input, select {
	font-family: arial,helvetica,clean,sans-serif;
	font-size: 100%;
	font-size-adjust: none;
	font-stretch: normal;
	font-style: normal;
	font-variant: normal;
	font-weight: normal;
	line-height: normal;
}

button {
	overflow: visible;
}

th, em, strong, b, address, cite {
	font-style: normal;
	font-weight: normal;
}

li {
	list-style-image: none;
	list-style-position: outside;
	list-style-type: none;
}

img, fieldset {
	border: 0 none;
}

ins {
	text-decoration: none;
}

3.「CSS を超えて」 (CSS リセット):

/* Normalizes margin,padding */

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,p,blockquote,th,td {
	margin: 0;
	padding: 0
}

/* Normalizes font-size for headers */

h1,h2,h3,h4,h5,h6 {
	font-size: 100%
}

/* Removes list-style from lists */

ol,ul {
	list-style: none
}

/* Normalizes font-size and font-weight to normal */

address,caption,cite,code,dfn,em,strong,th,var {
	font-size: normal;
	font-weight: normal
}

/* Removes list-style from lists */

table {
	border-collapse: collapse;
	border-spacing: 0
}

/* Removes border from fieldset and img */

fieldset,img {
	border: 0
}

/* Left-aligns text in caption and th */

caption,th {
	text-align: left
}

/* Removes quotation marks from q */

q:before,q:after {
	content: ”
}

4.Eric Meyer（CSS Reset）——推荐：

html, body, div, span, applet, object, iframe,

h1, h2, h3, h4, h5, h6, p, blockquote, pre,

a, abbr, acronym, address, big, cite, code,

del, dfn, em, font, img, ins, kbd, q, s, samp,

small, strike, strong, sub, sup, tt, var,

b, u, i, center,

dl, dt, dd, ol, ul, li,

fieldset, form, label, legend,

table, caption, tbody, tfoot, thead, tr, th, td {
	margin: 0;
	padding: 0;
	border: 0;
	outline: 0;
	font-size: 100%;
	vertical-align: baseline;
	background: transparent;
}

body {
	line-height: 1;
}

ol, ul {
	list-style: none;
}

blockquote, q {
	quotes: none;
}

blockquote:before, blockquote:after,

q:before, q:after {
	content: ”;
	content: none;
}

/* remember to define focus styles! */

:focus {
	outline: 0;
}

/* remember to highlight inserts somehow! */

ins {
	text-decoration: none;
}

del {
	text-decoration: line-through;
}

/* tables still need ‘cellspacing=”0″‘ in the markup */

table {
	border-collapse: collapse;
	border-spacing: 0;
}

5. YUI (CSS リセット):

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td {
	margin: 0;
	padding: 0;
}

table {
	border-collapse: collapse;
	border-spacing: 0;
}

fieldset,img {
	border: 0;
}

address,caption,cite,code,dfn,em,strong,th,var {
	font-style: normal;
	font-weight: normal;
}

ol,ul {
	list-style: none;
}

caption,th {
	text-align: left;
}

h1,h2,h3,h4,h5,h6 {
	font-size: 100%;
	font-weight: normal;
}

q:before,q:after {
	content: ”;
}

abbr,acronym {
	border: 0;
}

推奨チュートリアル ：《CSSTutorial》

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