我知道通常如何做一个简单的向左浮动和向右浮动页脚以使我可以轻松获得信息的区域。但基本上我使用了 HTML5 样板，我相信当我尝试拆分页脚时，由于应用了以前的样式，它不起作用。现在我不是 CSS 专家，所以我可以做一些帮助，告诉我如何将这个基本功能放入我的页脚。其拆分 2cols，左对齐和右对齐。
下面的 HTML 和 CSS。提前谢谢各位！
<!doctype html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7" lang="en"> <![endif]-->
<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8" lang="en"> <![endif]-->
<!--[if IE 8]> <html class="no-js lt-ie9" lang="en"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en"> <!--<![endif]-->
<head id="Head1"><meta charset="utf-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /><title>
Upper Control Limit
</title><meta name="description" /><meta name="author" /><meta name="viewport" content="width=device-width" /><link rel="stylesheet" href="css/style.css" />
<script src="js/libs/modernizr-2.5.3-respond-1.1.0.min.js"></script>
</head>
<body>
<!--[if lt IE 7]><p class=chromeframe>Your browser is <em>ancient!</em> <a href="http://browsehappy.com/">Upgrade to a different browser</a> or <a href="http://www.google.com/chromeframe/?redirect=true">install Google Chrome Frame</a> to experience this site
in all its glory.</p><![endif]-->
<div id="header-container">
<header class="wrapper clearfix">
<h1 id="title">Upper Control Limit</h1>
<nav>
<ul>
<li><a href="default.aspx">Home</a></li>
<li><a href="contact.aspx">Contact</a></li>
</ul>
</nav>
</header>
</div>
<div id="main-container">
<form method="post" action="results.aspx?rows=1&cols=1" id="Form1">
<div class="aspNetHidden">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwUKMjEwNDQyMTMxMw9kFgJmD2QWAgIDD2QWBgIFDw8WBB4IQ3NzQ2xhc3MFB0NvbEhlYWQeBF8hU0ICAmRkAgYPDxYEHwAFB1Jvd0hlYWQfAQICZGQCBw8PFgQfAAUJZ3JpZEJveGVzHwECAmRkZFJMwj+M1MRZQlpIMrfmxl1wwizJXzxaXt3WPYuj38Ui" />
</div>
<div class="aspNetHidden">
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEdAAU3pTMHOdDohz552i1I2Sebj31ljtDmerW1aPkEMZ51g8/Ho+MRtff8p07c9TjAQNmPZdj/gKuoitSwpD5a3CzSRHT3M0ARnCVeHCgDPQCHReQQJ8C8qTnXt96uJnOGYcQYMDuNwHVzarHWwfsDZ3nC" />
</div>
<div id="main" class="clearfix"><input type="submit" name="ctl00$btnCalc" value="Calculate" id="btnCalc" class="btn" /><input name="ctl00$txtrow_0_col_1" type="text" value="Col 1" id="txtrow_0_col_1" class="ColHead" /><input name="ctl00$txtrow_1_col_0" type="text" value="Series 1" id="txtrow_1_col_0" class="RowHead" /><input name="ctl00$txtrow_1_col_1" type="text" id="txtrow_1_col_1" class="gridBoxes" /></div></form>
</div> <!-- #main-container -->
<div id="footer-container">
<footer class="wrapper">
<h3 class="left">Copyright 2012 Data Exchange LTD</h3>
<h3 class="right">img here</h3>
</footer>
</div>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script> window.jQuery || document.write('<script src="js/libs/jquery-1.7.2.min.js"><\/script>')</script>
<script src="js/script.js"></script>
<script>
var _gaq = [['_setAccount', 'UA-17073042-4'], ['_trackPageview']];
(function (d, t) {
var g = d.createElement(t), s = d.getElementsByTagName(t)[0];
g.src = ('https:' == location.protocol ? '//ssl' : '//www') + '.google-analytics.com/ga.js';
s.parentNode.insertBefore(g, s)
} (document, 'script'));
</script>
</body>
</html>
CSS：
/* =============================================================================
HTML5 Boilerplate CSS: h5bp.com/css
========================================================================== */
article, aside, details, figcaption, figure, footer, header, hgroup, nav, section { display: block; }
audio, canvas, video { display: inline-block; *display: inline; *zoom: 1; }
audio:not([controls]) { display: none; }
[hidden] { display: none; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }
html, button, input, select, textarea { font-family: sans-serif; color: #222; }
body { margin: 0; font-size: 1em; line-height: 1.4; }
::-moz-selection { background: #fe57a1; color: #fff; text-shadow: none; }
::selection { background: #fe57a1; color: #fff; text-shadow: none; }
a { color: #00e; }
a:visited { color: #551a8b; }
a:hover { color: #06e; }
a:focus { outline: thin dotted; }
a:hover, a:active { outline: 0; }
abbr[title] { border-bottom: 1px dotted; }
b, strong { font-weight: bold; }
blockquote { margin: 1em 40px; }
dfn { font-style: italic; }
hr { display: block; height: 1px; border: 0; border-top: 1px solid #ccc; margin: 1em 0; padding: 0; }
ins { background: #ff9; color: #000; text-decoration: none; }
mark { background: #ff0; color: #000; font-style: italic; font-weight: bold; }
pre, code, kbd, samp { font-family: monospace, serif; _font-family: 'courier new', monospace; font-size: 1em; }
pre { white-space: pre; white-space: pre-wrap; word-wrap: break-word; }
q { quotes: none; }
q:before, q:after { content: ""; content: none; }
small { font-size: 85%; }
sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
sup { top: -0.5em; }
sub { bottom: -0.25em; }
ul, ol { margin: 1em 0; padding: 0 0 0 40px; }
dd { margin: 0 0 0 40px; }
nav ul, nav ol { list-style: none; list-style-image: none; margin: 0; padding: 0; }
img { border: 0; -ms-interpolation-mode: bicubic; vertical-align: middle; }
svg:not(:root) { overflow: hidden; }
figure { margin: 0; }
form { margin: 0; }
fieldset { border: 0; margin: 0; padding: 0; }
label { cursor: pointer; }
legend { border: 0; *margin-left: -7px; padding: 0; white-space: normal; }
button, input, select, textarea { font-size: 100%; margin: 0; vertical-align: baseline; *vertical-align: middle; }
button, input { line-height: normal; }
button, input[type="button"], input[type="reset"], input[type="submit"] { cursor: pointer; -webkit-appearance: button; *overflow: visible; }
button[disabled], input[disabled] { cursor: default; }
input[type="checkbox"], input[type="radio"] { box-sizing: border-box; padding: 0; *width: 13px; *height: 13px; }
input[type="search"] { -webkit-appearance: textfield; -moz-box-sizing: content-box; -webkit-box-sizing: content-box; box-sizing: content-box; }
input[type="search"]::-webkit-search-decoration, input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; }
button::-moz-focus-inner, input::-moz-focus-inner { border: 0; padding: 0; }
textarea { overflow: auto; vertical-align: top; resize: vertical; }
input:valid, textarea:valid { }
input:invalid, textarea:invalid { background-color: #f0dddd; }
table { border-collapse: collapse; border-spacing: 0; }
td { vertical-align: top; }
.chromeframe { margin: 0.2em 0; background: #ccc; color: black; padding: 0.2em 0; }
/* ===== Initializr Styles =====================================================
Author: Jonathan Verrecchia - verekia.com/initializr/responsive-template
========================================================================== */
body{ font:16px/26px Helvetica, Helvetica Neue, Arial; }
.wrapper{
width:90%;
margin:0 5%;
}
/* ===================
ALL: Blue Theme
=================== */
#header-container{ border-bottom: 20px solid #22558b; }
#footer-container{ border-top: 20px solid #22558b; }
#main aside { border-top: 20px solid #22558b; }
#header-container,
#footer-container,
#main aside{
background:#2c6cb1;
}
#title{ color:white; }
::-moz-selection { background: #2c6cb1; color: #fff; text-shadow: none; }
::selection { background: #2c6cb1; color: #fff; text-shadow: none; }
/* ==============
MOBILE: Menu
============== */
nav a{
display:block;
margin-bottom:10px;
padding:15px 0;
background:#22558b;
color:white;
text-align:center;
text-decoration:none;
font-weight:bold;
}
nav a:hover, nav a:visited{
color:white;
}
nav a:hover{
text-decoration:underline;
}
/* ==============
MOBILE: Main
============== */
#main{
padding:30px 0;
}
#main article h1{
font-size:2em;
}
#main aside{
color:white;
padding:0px 5% 10px;
}
#footer-container footer{
color:white;
padding:20px 0;
clear:both;
}
/* ===============
ALL: IE Fixes
=============== */
.ie7 #title{ padding-top:20px; }
/* ===== Primary Styles ========================================================
Author: Christopher Leah of Happy Webs LTD - 07/2012
========================================================================== */
.btn{clear:left;float:left; width:79px; margin-left:5px; margin-bottom:2px;}
.ColHead{float:left; width:50px; margin-left:5px; background-color:#22558B;color:#ffffff;margin-bottom:2px;}
.RowHead{clear:left;float:left; width:75px; margin-left:5px;background-color:#2C6CB1;color:#ffffff;margin-bottom:2px;}
.gridBoxes{float:left; width:50px; margin-left:5px; margin-bottom:2px;}
.graph{margin-top:10px;float:left;}
h3.left { float: left; }
h3.right { float: right;}
/* =============================================================================
Media Queries
========================================================================== */
@media only screen and (min-width: 480px) {
/* ====================
INTERMEDIATE: Menu
==================== */
nav a{
float:left;
width:27%;
margin:0 1.7%;
padding:25px 2%;
margin-bottom:0;
}
nav li:first-child a{ margin-left:0; }
nav li:last-child a{ margin-right:0; }
/* ========================
INTERMEDIATE: IE Fixes
======================== */
nav ul li{
display:inline;
}
.oldie nav a{
margin:0 0.7%;
}
}
@media only screen and (min-width: 768px) {
/* ====================
WIDE: CSS3 Effects
==================== */
#header-container,
#main aside{
-webkit-box-shadow:0 5px 10px #aaa;
-moz-box-shadow:0 5px 10px #aaa;
box-shadow:0 5px 10px #aaa;
}
/* ============
WIDE: Menu
============ */
#title{
float:left;
}
nav{
float:right;
width:38%;
}
/* ============
WIDE: Main
============ */
#main article{
float:left;
width:57%;
}
#main aside{
float:right;
width:28%;
}
}
@media only screen and (min-width: 1140px) {
/* ===============
Maximal Width
=============== */
.wrapper{
width:1026px; /* 1140px - 10% for margins */
margin:0 auto;
}
}
/* =============================================================================
Non-Semantic Helper Classes
========================================================================== */
.ir { display: block; border: 0; text-indent: -999em; overflow: hidden; background-color: transparent; background-repeat: no-repeat; text-align: left; direction: ltr; *line-height: 0; }
.ir br { display: none; }
.hidden { display: none !important; visibility: hidden; }
.visuallyhidden { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; }
.visuallyhidden.focusable:active, .visuallyhidden.focusable:focus { clip: auto; height: auto; margin: 0; overflow: visible; position: static; width: auto; }
.invisible { visibility: hidden; }
.clearfix:before, .clearfix:after { content: ""; display: table; }
.clearfix:after { clear: both; }
.clearfix { *zoom: 1; }
/* =============================================================================
Print Styles
========================================================================== */
@media print {
* { background: transparent !important; color: black !important; box-shadow:none !important; text-shadow: none !important; filter:none !important; -ms-filter: none !important; } /* Black prints faster: h5bp.com/s */
a, a:visited { text-decoration: underline; }
a[href]:after { content: " (" attr(href) ")"; }
abbr[title]:after { content: " (" attr(title) ")"; }
.ir a:after, a[href^="javascript:"]:after, a[href^="#"]:after { content: ""; } /* Don't show links for images, or javascript/internal links */
pre, blockquote { border: 1px solid #999; page-break-inside: avoid; }
thead { display: table-header-group; } /* h5bp.com/t */
tr, img { page-break-inside: avoid; }
img { max-width: 100% !important; }
@page { margin: 0.5cm; }
p, h2, h3 { orphans: 3; widows: 3; }
h2, h3 { page-break-after: avoid; }
}