18.css
body{
  margin:0px;
  padding:0px;
  font-family:Arial, Helvetica, sans-serif;
  font-size:12px;
  background:#cad7df url(bg.jpg) repeat-x;
  /* 背景色、水平重复的背景图片 */
}
#container{
  width:758px;
}
div br{
  display:none;
}
#globallink{
  width:758px; height:62px;
  margin:0px 0px 1px 0px;
  background:url(logo.jpg) no-repeat;  /* 添加banner图片 */
}
#globallink ul{
  list-style:none;
  position:absolute;
  left:540px; top:4px;        /* 调整菜单文字的位置 */
  padding:0px; margin:0px;
}
#globallink li{
  float:left;
  text-align:center;
  padding:0px 10px 0px 18px;
  margin:0px;
}
#globallink a:link, #globallink a:visited{
  color:#4a6f87;
  text-decoration:none;
}
#globallink a:hover{
  color:#FFFFFF;
  text-decoration:underline;
}

#left{
  width:158px;
  float:left;
}
#navigation{
  width:158px;
  padding:0px;
  margin:0px 0px 10px 0px;
}
#navigation ul{
  margin:0px;
  padding:0px;
  border-top:5px solid    #cad7df;    /* 顶端粗线 */
}
#navigation li{
  border-bottom:1px solid #cad7df;  /* 添加下划线 */
  
}
#navigation li a{
  display:block;            /* 区块显示 */
  padding:3px 5px 3px 2em;
  text-decoration:none;
  background:url(icon1.gif) no-repeat 13px 9px;
}
#navigation li a:link, #navigation li a:visited{
  background-color:#7591a3;
  color:#FFFFFF;
}
#navigation li a:hover{          /* 鼠标经过时 */
  color:#003e66;            /* 改变文字颜色 */
  background:#aacbe0 url(icon2.gif) no-repeat 13px 9px;
}
#search form, #search p{
  margin:0px;
  padding:0px;
  text-align:center;
}
#search input.text{
  border:1px solid #7591a3;
  background:transparent;
  width:80px; font-size:12px;
  font-family:Arial;
}
#search input.btn{
  border:1px solid #7591a3;
  background:transparent;
  font-size:12px; height:19px;
  font-family:Arial;
  padding:0px;
}

#main{
  width:600px; float:left;
  margin:0px; padding:0px;
  background-color:#FFFFFF;
}
#hottest h3{
  font-size:16px;
  padding:28px 5px 4px 40px;
  margin:0px;
  background:url(icon3.gif) no-repeat 29px 34px;
}
#hottest h3 a:link, #hottest h3 a:visited{
  color:#000000;
  text-decoration:none;
}
#hottest h3 a:hover{
  color:#7591a3;
  text-decoration:underline;
}

#list{
  float:left;
  margin:20px 0px 4px 0px;
  width:340px;
  padding:0px 0px 0px 28px;
}
#list h4{
  font-size:12px;
  background:#e0e7ec url(icon4.gif) no-repeat 7px 8px;
  padding:3px 0px 2px 17px;
  margin:0px;
}
#list p.date{
  margin:0px; padding:5px 0px 5px 2px;
  font-weight:bold;
  color:#014e68;
}
#list ul{
  margin:0px 0px 6px 40px;
  padding:0px;
  list-style-type:disc;
}
#list ul li a:link, #list ul li a:visited, #list p.more a:link, #list p.more a:visited{
  color:#333333;
  text-decoration:none;
}
#list ul li a:hover, #list p.more a:hover{
  color:#00a9e7;
  text-decoration:underline;
}
#list p.more{
  margin:0px; padding:5px 0px 20px 10px;
  background:url(icon5.gif) no-repeat 0px 10px;
}

#letter{
  float:left;
  width:180px;
  margin:20px 0px 5px 30px;
  padding:0px;
  border-left:1px solid #7591a3;
}
#letter h4{
  margin:0px;
  font-size:12px;
  background:url(right_right.gif) no-repeat;
  color:#FFFFFF;
  padding:2px 0px 2px 15px;
}
#letter p.date2{
  background:#e0e7ec url(icon6.gif) no-repeat 5px 7px;
  margin:7px 15px 3px 7px;
  padding:1px 0px 1px 15px;
  font-weight:bold;
}
#letter p.content2{
  margin:2px 15px 0px 7px;
  padding:1px 0px 1px 0px;
}
#letter p.more2{
  margin:1px 15px 3px 7px;
  padding:0px 0px 1px 8px;
  background:url(icon5.gif) no-repeat 2px 5px;
}
#letter p.more2 a:link, #letter p.more2 a:visited{
  color:#555555;
  text-decoration:none;
}
#letter p.more2 a:hover{
  color:#000000;
  text-decoration:underline;
}
18.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>FreeCNM</title>
<link href="18.css" rel="stylesheet" type="text/css">
</head>

<body>
<div id="container">
  <div id="globallink">
    <ul>
      <li><a href="#">新品发布</a></li>
      <li><a href="#">公司员工</a></li>
      <li><a href="#">英文版</a></li>
    </ul>
    <br>
  </div>
  <div id="left">
    <div id="navigation">
      <ul>
        <li><a href="#">公司首页</a></li>
        <li><a href="#">工作团队</a></li>
        <li><a href="#">项目</a></li>
        <li><a href="#">市场与投资</a></li>
        <li><a href="#">员工福利</a></li>
        <li><a href="#">员工花名册</a></li>
        <li><a href="#">思想学习</a></li>
        <li><a href="#">出版物</a></li>
        <li><a href="#">日程安排</a></li>
        <li><a href="#">集体活动</a></li>
        <li><a href="#">友情链接</a></li>
        <li><a href="#">雁过留声</a></li>
        <li><a href="#">联系我们</a></li>
      </ul>
      <br>
    </div>
    <div id="search">
      <form>
        查找: <input type="text" class="text"> <input type="button" value="搜" class="btn">
      </form>
    </div>
  </div>
  <div id="main">
    <div id="banner"><img src="banner.jpg" border="0"></div>
    <div id="hottest">
      <h3><a href="#">新闻快递：公司股票于昨日在美国纳斯达克上市</a></h3>
    </div>
    <div id="list">
      <h4><span>公告栏</span></h4>
        <p class="date">2007.12.1</p>
        <ul>
          <li><a href="#">公司例会确定了新的项目筹备组</a></li>
          <li><a href="#">i、g、t三人当选公司新任董事会骨干</a></li>
          <li><a href="#">对股票的运作做了详细的规划</a></li>
          <li><a href="#">lh担任办公室重要职务，茁壮成长</a></li>
        </ul>
        <p class="date">2007.6.24</p>
        <ul>
          <li><a href="#">公司成立25周年纪念，领导发表重要讲话</a></li>
          <li><a href="#">新一轮项目筹备工作开始启动</a></li>
        </ul>
        <p class="more"><a href="#">more</a></p>
      <h4><span>前沿技术</span></h4>
        <p class="date">2007.4.1</p>
        <ul>
          <li><a href="#">清华大学电子工程系牛人做报告，气氛融洽</a></li>
          <li><a href="#">晾衣杆实现高增益、高信噪比波束自动成形天线</a></li>
        </ul>
        <p class="more"><a href="#">more</a></p>
      <h4><span>资源下载</span></h4>
        <p class="date">2006.12.7</p>
        <ul>
          <li><a href="#">时时语音和图象处理功能的纸箱</a></li>
          <li><a href="#">自动收发装置更新，电力充足</a></li>
        </ul>
        <p class="more"><a href="#">more</a></p>
    </div>
    <div id="letter">
      <h4><span>English Letter</span></h4>
      <p class="date2">2007.12.7</p>
      <p class="content2">Auditorium Stage</p>
      <p class="more2"><a href="#">more</a></p>
      
      <p class="date2">2007.11.4</p>
      <p class="content2">Beijing North Station</p>
      <p class="more2"><a href="#">more</a></p>
      
      <p class="date2">2007.6.24</p>
      <p class="content2">25th Anniversary</p>
      <p class="more2"><a href="#">more</a></p>
      
      <p class="date2">2007.6.1</p>
      <p class="content2">Children's Day Morning</p>
      <p class="more2"><a href="#">more</a></p>
      
      <p class="date2">2007.2.18</p>
      <p class="content2">Spring Festival Special</p>
      <p class="more2"><a href="#">more</a></p>
      
      <p class="date2">2007.1.23</p>
      <p class="content2">Holiday begins</p>
      <p class="more2"><a href="#">more</a></p>
      
      <p class="date2">2006.12.7</p>
      <p class="content2">The most happy day</p>
      <p class="more2"><a href="#">more</a></p>
    </div>
  </div>
</div>
</body>
</html>

来源：《精通CSS+DIV网页样式与布局》