你直接读取这个xml 然后通过js或者后台编程语言格式你想用的信息！
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4、最后一个htmlbody/body/html 正确
5、square:符号为实心方点
6、预排版文本标签 pre
7、不可以用在 hr
其他1分钟内补充
@charset "utf-8";
/*科e互联特效基本框架CSS*/
body, ul, dl, dd, dt, ol, li, p, h1, h2, h3, h4, h5, h6, textarea, form, select, fieldset, table, td, div, input {margin:0;padding:0;-webkit-text-size-adjust: none}
h1, h2, h3, h4, h5, h6{font-size:12px;font-weight:normal}
bodydiv{margin:0 auto}
div {text-align:left}
a img {border:0}
body { color: #333; text-align: center; font: 12px "微软雅黑"; }
ul, ol, li {list-style-type:none;vertical-align:0}
a {outline-style:none;color:#535353;text-decoration:none}
a:hover { color: #D40000; text-decoration: none}
.clear{height:0; overflow:hidden; clear:both}
.button {display: inline-block;zoom: 1; *display: inline;vertical-align: baseline;margin: 0 2px;outline: none;cursor: pointer;text-align: center;text-decoration: none;font: 14px/100% Arial, Helvetica, sans-serif;padding:0.25em 0.6em 0.3em;text-shadow: 0 1px 1px rgba(0,0,0,.3);-webkit-border-radius: .5em; -moz-border-radius: .5em;border-radius: .5em;-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);-moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.red {color: #faddde;border: solid 1px #980c10;background: #d81b21;background: -webkit-gradient(linear, left top, left bottom, from(#ed1c24), to(#A51715));background: -moz-linear-gradient(top, #ed1c24, #A51715);filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ed1c24', endColorstr='#aa1317');
}
.red:hover { background: #b61318; background: -webkit-gradient(linear, left top, left bottom, from(#c9151b), to(#a11115)); background: -moz-linear-gradient(top, #c9151b, #a11115); filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#c9151b', endColorstr='#a11115'); color:#fff;}
.red:active {color: #de898c;background: -webkit-gradient(linear, left top, left bottom, from(#aa1317), to(#ed1c24));background: -moz-linear-gradient(top, #aa1317, #ed1c24);filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#aa1317', endColorstr='#ed1c24');}
.cor_bs,.cor_bs:hover{color:#ffffff;}
.keBody{background:url(../images/bodyBg.jpg) repeat #333;}
.keTitle{height:100px; line-height:100px; font-size:30px; font-family:'微软雅黑'; color:#FFF; text-align:center; background:url(../images/bodyBg3.jpg) repeat-x bottom left; font-weight:normal}
.kePublic{background:#dfdfdf; padding:50px;}
.keBottom{color:#FFF; padding-top:25px; line-height:28px; text-align:center; font-family:'微软雅黑'; background:url(../images/bodyBg2.jpg) repeat-x top left; padding-bottom:25px}
.keTxtP{font-size:16px; color:#ffffff;}
.keUrl{color:#FFF; font-size:30px;}
.keUrl:hover{ text-decoration: underline; color: #FFF; }
.mKeBanner,.mKeBanner div{text-align:center;}
/*科e互联特效基本框架CSS结束，应用特效时，以上样式可删除*/
/* 效果CSS开始 */
body {
-webkit-backface-visibility: hidden;
}
.demo {
margin: 0px auto;
text-align:center;
}
.nav li {
position: relative;
display: inline-block;
margin-left: -50px;
-webkit-transition: all 0.4s linear;
-moz-transition: all 0.4s linear;
-o-transition: all 0.4s linear;
-ms-transition: all 0.4s linear;
transition: all 0.4s linear;
}
.nav li a {
display: inline-block;
width: 120px;
height: 120px;
padding: 30px;
border-radius: 50%;
border-width: 8px;
border-style: solid;
}
.nav li:hover {
z-index: 11;
-webkit-transform: scale(1.1);
-moz-transform: scale(1.1);
-o-transform: scale(1.1);
-ms-transform: scale(1.1);
transform: scale(1.1);
}
.nav li:hover a {
text-decoration: none;
}
.nav li:hover span {
-webkit-transition: all 0.4s linear;
-moz-transition: all 0.4s linear;
-o-transition: all 0.4s linear;
-ms-transition: all 0.4s linear;
transition: all 0.4s linear;
-webkit-animation: moveFromBottom 0.3s ease;
-moz-animation: moveFromBottom 0.3s ease;
-o-animation: moveFromBottom 0.3s ease;
-ms-animation: moveFromBottom 0.3s ease;
animation: moveFromBottom 0.3s ease;
}
.nav li:nth-child(1) a {
color: #4d9683;
text-shadow: 0 1px 0 #9de3cf;
border-color: #549e89;
background-color: #51c9a7;
}
.nav li:nth-child(2) a {
color: #be607e;
text-shadow: 0 1px 0 #de8ba5;
border-color: #e499b0;
background-color: #e67b9c;
}
.nav li:nth-child(3) a {
color: #5e9eb4;
text-shadow: 0 1px 0 #adddec;
border-color: #a2cfde;
background-color: #7ec9e3;
}
.nav li:nth-child(4) a {
color: #ba9d5e;
text-shadow: 0 1px 0 #f5e0ad;
border-color: #dcc999;
background-color: #f0cd78;
}
.nav li:nth-child(5) a {
color: #b468a2;
text-shadow: 0 1px 0 #e8acd8;
border-color: #d8abcd;
background-color: #dd91cb;
}
.nav li:nth-child(1):hover a {
color: #0f775c;
text-shadow: 0 1px 0 #81e6c9;
border-color: #0a8462;
background-color: #00c18c;
}
.nav li:nth-child(2):hover a {
color: #b12a55;
text-shadow: 0 1px 0 #ff95b7;
border-color: #ba335c;
background-color: #ea5180;
}
.nav li:nth-child(3):hover a {
color: #2883a2;
text-shadow: 0 1px 0 #9cdef2;
border-color: #4397b3;
background-color: #55c1e5;
}
.nav li:nth-child(4):hover a {
color: #ab8228;
text-shadow: 0 1px 0 #ffe199;
border-color: #b08f3e;
background-color: #f8c64d;
}
.nav li:nth-child(5):hover a {
color: #a33689;
text-shadow: 0 1px 0 #ec97d6;
border-color: #b7569f;
background-color: #dd70c3;
}
.nav span {
display: block;
line-height:70px;
font-size: 30px;
font-style: normal;
}
.nav span:before {
display: block;
}
.nav li:nth-child(1) span:before {
content: "home";
}
.nav li:nth-child(2) span:before {
content: "phone";
}
.nav li:nth-child(3) span:before {
content: "wifi";
}
.nav li:nth-child(4) span:before {
content: "setting";
}
.nav li:nth-child(5) span:before {
content: "twitter";
}
@-webkit-keyframes moveFromBottom {
from {
-webkit-transform: translateY(120%) scale(0.5) ;
opacity: 0;
}
to {
-webkit-transform: translateY(0%) scale(1);
opacity: 1;
}
}
@-moz-keyframes moveFromBottom {
from {
-moz-transform: translateY(120%) scale(0.5) ;
opacity: 0;
}
to {
-moz-transform: translateY(0%) scale(1);
opacity: 1;
}
}
@-ms-keyframes moveFromBottom {
from {
-ms-transform: translateY(120%) scale(0.5) ;
opacity: 0;
}
to {
-ms-transform: translateY(0%) scale(1);
opacity: 1;
}
}
@-o-keyframes moveFromBottom {
from {
-o-transform: translateY(120%) scale(0.5) ;
opacity: 0;
}
to {
-o-transform: translateY(0%) scale(1);
opacity: 1;
}
}
@keyframes moveFromBottom {
from {
transform: translateY(120%) scale(0.5) ;
opacity: 0;
}
to {
transform: translateY(0%) scale(1);
opacity: 1;
}
}
.nav span:before {
font-family: 'LigatureSymbols';
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-font-smoothing: antialiased;
-ms-font-smoothing: antialiased;
-o-font-smoothing: antialiased;
font-smoothing: antialiased;
-webkit-font-feature-settings: "liga" 1, "dlig" 1;
-moz-font-feature-settings: "liga=1, dlig=1";
-ms-font-feature-settings: "liga" 1, "dlig" 1;
font-feature-settings: "liga" 1, "dlig" 1;
font-size: 80px;
}
@font-face {
font-family: 'LigatureSymbols';
src: url('../font/LigatureSymbols-2.05.eot');
src: url('../font/LigatureSymbols-2.05.eot?#iefix') format('embedded-opentype'),
url('../font/LigatureSymbols-2.05.woff') format('woff'),
url('../font/LigatureSymbols-2.05.ttf') format('truetype'),
url('../font/LigatureSymbols-2.05.svg#LigatureSymbols') format('svg');
font-weight: normal;
font-style: normal;
}
/* 效果CSS结束 */
需要准备的材料分别有：电脑、浏览器、html编辑器。
1、首先，打开html编辑器，新建html文件，例如：index.html。
2、在index.html中的style标签中，输入css代码：body {text-align: center;} table {margin: auto;}。
3、浏览器运行index.html页面，此时成功用css让表格居中了。
CSS中“像素”和“％”同为CSS相对长度单位，区别是
%
百分比Percentage；px
像素Pixels
个人比较偏向px，因为px能够精确地表示元素在屏幕中的位置和大小，网页主要是为了屏幕显示，而不是为了打印等其它需要的。
方法
CSS中“像素”和“％”同为CSS相对长度单位，区别是
%
百分比Percentage；px
像素Pixels
个人比较偏向px，因为px能够精确地表示元素在屏幕中的位置和大小，网页主要是为了屏幕显示，而不是为了打印等其它需要的。
1.CSS相对长度单位(relative
length
unit)
CSS相对长度单位中的相对二字，表明了其长度单位会随着它的参考值的变化而变化，不是固定的。
以下是CSS相对长度单位列表：
CSS相对长度单位
说明
%
百分比Percentage
em
元素的字体高度The
height
of
the
element's
font
ex
字母x的高度The
height
of
the
letter
"x"
px
像素Pixels
2.CSS绝对长度单位(absolute
length
unit)
绝对长度单位是一个固定的值。比如我们常用的有mm，就是毫米的意思。
以下是CSS绝对长度单位列表：
CSS绝对长度单位
说明
in
英寸Inches
(1
英寸
=
2.54
厘米)
cm
厘
text-alig:center;这个属性就是定义文字居中的了....
p class=h1文字/p
或者在其它的标签里加上这个属性就行了.
比较div span之类的.
