css 重置代码

/* 清除内外边距 */
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, /* structural elements 结构元素 */
dl, dt, dd, ul, ol, li, /* list elements 列表元素 */
pre, /* text formatting elements 文本格式元素 */
fieldset, lengend, button, input, textarea, /* form elements 表单元素 */
th, td { /* table elements 表格元素 */
margin: 0;
padding: 0;
}

/* 设置默认字体 */
body,
button, input, select, textarea { /* for ie */
/*font: 12px/1 Tahoma, Helvetica, Arial, "宋体", sans-serif;*/
font: 12px/1.5 Tahoma, Helvetica, Arial, "\5b8b\4f53", sans-serif; /* 用 ascii 字符表示，使得在任何编码下都无问题 */
}

h1 { font-size: 18px; line-height:1.5; /* 18px / 12px = 1.5 */ }
h2 { font-size: 16px;}
h3 { font-size: 14px;}
h4, h5, h6 { font-size: 100%; }

address, cite, dfn, em, var { font-style: normal; } /* 将斜体扶正 */
code, kbd, pre, samp, tt { font-family: "Courier New", Courier, monospace; } /* 统一等宽字体 */
small { font-size: 12px; line-height:1.5;} /* 小于 12px 的中文很难阅读，让 small 正常化 */

/* 重置列表元素 */
ul, ol { list-style: none;}

/* 重置文本格式元素 */
a { text-decoration: none; line-height:1.2;}
a:hover { text-decoration: underline; }

/* 重置表单元素 */
legend { color: #000; } /* for ie6 */
fieldset, img { border: none; } /* img 搭车：让链接里的 img 无边框 */
/* 注：optgroup 无法扶正 */
button, input, select, textarea {
font-size: 100%; /* 使得表单元素在 ie 下能继承字体大小 */
line-height:1.6;/*解决IE浏览器文字太靠近顶部的问题*/
}

/* 重置表格元素 */
table {
border-collapse: collapse;
border-spacing: 0;
}

/* 重置 hr */
hr {
border: none;
height: 1px;
}

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

body,button,input,select,textarea {
font: 12px / 1.5 tahoma,
arial,
\5b8b\4f53;
}
h1,h2,h3,h4,h5,h6 {
font - size: 100 % ;
}
address,cite,dfn,em,var {
font - style: normal;
}
code,kbd,pre,samp {
font - family: courier new,
courier,
monospace;
}
small {
font - size: 12px;
}
ul,ol {
list - style: none;
}
a {
text - decoration: none;
}
a: hover {
text - decoration: underline;
}
sup {
vertical - align: text - top;
}
sub {
vertical - align: text - bottom;
}
legend {
color: #000;
}
fieldset,
img {
border: 0;
}
button,input,select,textarea {
font - size: 100 % ;
}
table {
border - collapse: collapse;
border - spacing: 0;
}

html {
font - size: 62.5 % ;
font - family: Tahoma
}
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,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, input, button, textarea, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video {
margin: 0;
padding: 0
}
body {
line - height: 1.333;
font - size: 12px
}
h1,h2,h3,h4,h5,h6 {
font - size: 100 %
}
input,textarea,select,button {
font - size: 12px;
font - weight: normal;
font - family: inherit
}
input[type = "button"],input[type = "submit"],select,button {
cursor: pointer
}
table {
border - collapse: collapse;
border - spacing: 0
}
address,caption,cite,code,dfn,em,th,var {
font - style: normal;
font - weight: normal
}
li {
list - style: none
}
caption,th {
text - align: left
}
q: before,q: after {
content: ''
}
abbr,acronym {
border: 0;
font - variant: normal
}
sup {
vertical - align: text - top
}
sub {
vertical - align: text - bottom
}
fieldset,img,a img,iframe {
border - width: 0;
border - style: none
}
iframe {
overflow: hidden
}
img { - ms - interpolation - mode: bicubic
}
textarea {
resize: vertical;
overflow - y: auto
}
legend {
color: #000
}
a {
text - decoration: none
}
a: hover {
text - decoration: underline
}
hr {
height: 0
}
label {
cursor: pointer
}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section {
display: block
}