19.css
body{
  background-color
:#ffd8d9;
  margin
:1px 0px 0px 0px;
  padding
:0px;
  text-align
:center;
  font-size
:12px;
  font-family
:Arial, Helvetica, sans-serif;
}
#container
{
  position
:relative;
  margin
:0px auto 0px auto;
  width
:700px;
  text-align
:left;
}

#globallink
{
  margin
:0px; padding:0px;
}
#globallink ul
{
        list-style
:none;
  padding
:0px; margin:0px;
}
#globallink li
{
  float
:left;
  text-align
:center;
  width
:100px;  
}
#globallink a
{
  display
:block;
  padding
:9px 6px 11px 6px;
  background
:url(button1.jpg) no-repeat;
  margin
:0px;
}
#globallink a:link, #globallink a:visited
{
  color
:#630002;
  text-decoration
:none;
}
#globallink a:hover
{
  color
:#FFFFFF;
  text-decoration
:underline;
  background
:url(button1_bg.jpg) no-repeat;
  /* 替换背景图片 */
}

#left
{
  width
:180px;
  float
:left;
  background
:#FFFFFF url(leftbottom.jpg) no-repeat bottom; /* 下端圆角 */
  margin
:1px 0px 0px 0px;
}
#login
{
  background
:url(login.jpg) no-repeat;
  padding
:55px 0px 10px 0px;
}
#login form
{
  padding
:0px; margin:0px;
}
#login p
{
  margin
:0px; text-align:left;
  padding
:5px 0px 0px 25px;
}
#login p input
{
  font-family
:Arial, Helvetica, sans-serif;
  font-size
:12px;
}
#login form input.text
{
  border-bottom
:1px solid #000000;
  border-left
:none; border-right:none;
  border-top
:none;
  padding
:0px; width:90px;
}
#login form input.btn
{
  border
:1px solid #000000;
  background-color
:#ffeff0;
  height
:17px; padding:0px;
}
#login p a:link, #login p a:visited
{
  color
:#333333;
  text-decoration
:none;
}
#login p a:hover
{
  color
:#000088;
  text-decoration
:underline;
}

#category
{
  background
:url(category.jpg) no-repeat;
  padding
:55px 0px 40px 0px;
}
#category h4
{
  margin
:0px 18px 0px 18px;
  padding
:3px 0px 1px 5px;
  background-color
:#ffd1d1;
  font-size
:12px;
}
#category ul
{
  list-style
:none;
  margin
:0px;
  padding
:5px 22px 15px 22px;
}
#category ul li
{
  padding
:2px 0px 2px 16px;
  border-bottom
:1px dashed #999999;
  background
:url(icon1.gif) no-repeat 5px 7px;
}
#category ul li a:link, #category ul li a:visited
{
  color
:#000000;
  text-decoration
:none;
}
#category ul li a:hover
{
  color
:#666666;
  text-decoration
:underline;
}

#main
{
  float
:left;
  width
:518px;
  margin
:1px 0px 0px 2px
}
#latest
{
  background
:url(latest.jpg) no-repeat;
  padding
:35px 0px 0px 0px;
}
#latest img
{
  border
:none;
  padding-left
:1px;
}
#recommend
{
  background
:url(recommend.jpg) no-repeat;
  margin
:5px 0px 0px 0px;
  padding
:35px 0px 0px 0px;
  background-color
:#FFFFFF;
}
#recommend br,#new br, #tips br
{
  display
:block;
  clear
:both;
  margin
:0px; padding:0px;
}
#recommend ul, #new ul
{
  list-style
:none;
  margin
:0px;
  padding
:5px 5px 5px 8px;
}
#recommend ul li, #new ul li
{
  text-align
:center;
  float
:left;
  width
:125px;
}
#recommend ul li img, #new ul li img
{
  border
:none;
  margin
:5px 0px 3px 0px;
  padding
:0px;
}
#recommend ul li a:link,#recommend ul li a:visited, #new ul li a:link,#new ul li a:visited
{
  color
:#666666;
  text-decoration
:none;
}
#recommend ul li a:hover, #new ul li a:hover
{
  color
:#d20005;
  text-decoration
:underline;
}

#new
{
  background
:url(new.jpg) no-repeat;
  margin
:5px 0px 0px 0px;
  padding
:35px 0px 0px 0px;
  background-color
:#FFFFFF;
}

#tips
{
  background
:url(tips.jpg) no-repeat;
  margin
:5px 0px 0px 0px;
  padding
:35px 0px 0px 0px;
  background-color
:#FFFFFF;
}
#tips ul
{
  list-style
:none;
  margin
:0px;
  padding
:5px 5px 5px 30px;
}
#tips ul li
{
  background
:url(icon2.gif) no-repeat 5px 6px;
  padding
:1px 0px 1px 12px;
  float
:left;
  width
:220px;  /* 指定宽度 */
}
#tips ul li a:link,#tips ul li a:visited
{
  color
:#222222;
  text-decoration
:none;  
}
#tips ul li a:hover
{
  color
:#d20005;
  text-decoration
:underline;
}
19.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>鲜花满屋</title>
<link href="19.css" rel="stylesheet" type="text/css">
     </head>

<body>
<div id="container">
  <div id="banner"><img src="banner.jpg"></div>
  <div id="globallink">
    <ul>
      <li><a href="#">鲜花礼品</a></li>
      <li><a href="#">自助订花</a></li>
      <li><a href="#">绿色植物</a></li>
      <li><a href="#">花之物语</a></li>
      <li><a href="#">会员中心</a></li>
      <li><a href="#">联系我们</a></li>
      <li><a href="#">支付方式</a></li>
    </ul>
    <br>
  </div>
  <div id="left">
    <div id="login">
      <form>
        <p>用户: <input type="text" class="text"></p>
        <p>密码: <input type="text" class="text"></p>
        <p><input type="button" class="btn" value="登录"> <input type="button" class="btn" value="注册"> <a href="#">忘记秘密</a></p>
      </form>
    </div>
    <div id="category">
      <h4><span>用途</span></h4>
      <ul>
        <li><a href="#">爱情鲜花</a></li>
        <li><a href="#">生日送花</a></li>
        <li><a href="#">新年鲜花</a></li>
        <li><a href="#">家庭用花</a></li>
        <li><a href="#">亲情用花</a></li>
        <li><a href="#">道歉鲜花</a></li>
        <li><a href="#">开业花篮</a></li>
        <li><a href="#">会议用花</a></li>
      </ul>
      <h4><span>花材</span></h4>
      <ul>
        <li><a href="#">玫瑰花</a></li>
        <li><a href="#">百合花</a></li>
        <li><a href="#">郁金香</a></li>
        <li><a href="#">太阳花</a></li>
        <li><a href="#">康乃馨</a></li>
        <li><a href="#">马蹄莲</a></li>
        <li><a href="#">扶朗</a></li>
        <li><a href="#">剑兰</a></li>
      </ul>
      <h4><span>价格</span></h4>
      <ul>
        <li><a href="#">100~200元</a></li>
        <li><a href="#">200~300元</a></li>
        <li><a href="#">300~400元</a></li>
        <li><a href="#">400~500元</a></li>
        <li><a href="#">500~600元</a></li>
        <li><a href="#">600~800元</a></li>
        <li><a href="#">800元以上</a></li>
      </ul>
    </div>
  </div>
  <div id="main">
    <div id="latest"><a href="#"><img src="new1.jpg"></a><a href="#"><img src="new2.jpg"></a><a href="#"><img src="new3.jpg"></a></div>
    <div id="recommend">
      <ul>
        <li><a href="#"><img src="flower1.jpg"><br>幸福的味道</a><br>¥288元</li>
        <li><a href="#"><img src="flower2.jpg"><br>阳光守护你</a><br>¥300元</li>
        <li><a href="#"><img src="flower3.jpg"><br>温情永远</a><br>¥268元</li>
        <li><a href="#"><img src="flower4.jpg"><br>爱×××</a><br>¥318元</li>
        <li><a href="#"><img src="flower5.jpg"><br>亲亲宝贝</a><br>¥368元</li>
        <li><a href="#"><img src="flower6.jpg"><br>相信是缘</a><br>¥188元</li>
        <li><a href="#"><img src="flower7.jpg"><br>水晶童话</a><br>¥198元</li>
        <li><a href="#"><img src="flower8.jpg"><br>天使之爱</a><br>¥268元</li>        
      </ul>
      <br> 
    </div>
    <div id="new">
      <ul>
        <li><a href="#"><img src="flower9.jpg"><br>粉色迷情</a></li>
        <li><a href="#"><img src="flower10.jpg"><br>海岸的幽雅</a></li>
        <li><a href="#"><img src="flower11.jpg"><br>百年地中海</a></li>
        <li><a href="#"><img src="flower12.jpg"><br>爱要说出口</a></li>      
      </ul>
      <br> 
    </div>
    <div id="tips">
      <ul>
        <li><a href="#">各种鲜花所代表的含义</a></li>
        <li><a href="#">花的喜怒哀乐与人的各种感觉</a></li>
        <li><a href="#">养花与养生之道</a></li>
        <li><a href="#">每天清晨的第一缕阳光</a></li>
        <li><a href="#">花香的味道</a></li>
        <li><a href="#">世界各地关于送花的习俗</a></li>
        <li><a href="#">种花与送花</a></li>
        <li><a href="#">手捧一束鲜花的等待</a></li>
      </ul>
      <br> 
    </div>
  </div>
</div>
</body>
</html>

来源:《精通CSS+DIV网页样式与布局