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    CSS之Rest(重置样式)推荐

    GuanhuiGuanhui2020-05-11 09:56:04原创1072
    CSS Reset,意为重置默认样式。HTML中绝大部分标签元素在网页显示中都有一个默认属性值,通常为了避免重复定义元素样式,需要进行重置默认样式(CSS Reset)。举几个例子:

    1.淘宝(CSS Reset):

    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 Reset):

    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.《超越css》(CSS Reset):

    /* 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 Reset):

    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;
    }

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