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我有以下 HTML，其中包含一个可滚动的表格。尽管我在每个实例中都指定了列宽（colspan 大于 1 的情况除外），但我无法让数据列与标题对齐，我不明白为什么。

我怀疑这个问题是不了解 CSS 样式如何相互关联的结果，但这就是我所在的地方。我很想找到一个很好的参考资料，可以帮助我理解。您现在看到“table.main.innerb.subt”的地方我尝试了多种组合，包括简单的“.subt”，但问题仍然存在。

阻止表格对齐的代码有什么问题？哪里有一个好的“虚拟指南”类型的参考，可以帮助解决最初的理解障碍？

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content=
"HTML Tidy for Linux/x86 (vers 6 November 2007), see www.w3.org"
name="generator">
<meta content='text/html; charset=us-ascii' http-equiv=
'Content-Type'>
<title>10% Analysis Report for 11/18/2012</title>

<style type='text/css'>

caption.head {
  font-family: verdana,arial,sans-serif;
  font-size:18pt;
  color:#333333;
  border:0 solid white;
 }
table.main {
  border-collapse:collapse;
  border:1px solid gray;
  }
table.main th {
  border-width: 1px;
  padding: 2px 8px;
  border-style: solid;
  background-color: #dedede;
  }
table.main th.empno {width:6em;}
table.main th.empname {width:30em;}
table.main th.date {width:8em;}
table.main th.amt {width:8em;}
table.main th.pct {width:5em;}
table.main th.dir {width:3em;}
table.main th.oicode {width:3em;}

table.main.innerb.subt th.empno {width:6em;}
table.main.innerb.subt th.empname {width:30em;}
table.main.innerb.subt th.date {width:8em;}
table.main.innerb.subt th.amt {width:8em;}
table.main.innerb.subt th.pct {width:5em;}
table.main.innerb.subt th.dir {width:3em;}
table.main.innerb.subt th.oicode {width:3em;}
table.main th.line2 {

  border-width: 1px;
  padding: 0px 8px;
  border-style: solid;
  background-color: #dedede;
  }
table.main tr.shade {
  background-color: NavajoWhite;
  }
table.main td {
  padding: 2px 15px;
  vertical-align: top;
  }
table.main td.oicode {
  border:0 solid white;
  padding: 0px 0px;
  width: 4em;
  }
table.main td.oicode2 {
  padding: 0px 0px;
  width: 4em;
  }
table.main td.oiamt {
  border:0 solid white;
  padding: 0px 0px;
  text-align: right;
  width: 4em;
  }
table.main td.oiamt2 {
  padding: 0px 0px;
  text-align: right;
  width: 4em;
  }
table.main td.empno {width:6em;}
table.main td.empname {width:30em;}
table.main td.date {width:8em;}
table.main td.amt {width:8em;}
table.main td.pct {width:5em;}
table.main td.dir {width:3em;}
table.main td.oicode {width:3em;}

table.main.innerb.subt td.empno {width:6em;}
table.main.innerb.subt td.empname {width:30em;}
table.main.innerb.subt td.date {width:8em;}
table.main.innerb.subt td.amt {width:8em;}
table.main.innerb.subt td.pct {width:5em;}
table.main.innerb.subt td.dir {width:3em;}
table.main.innerb.subt td.oicode {width:3em;}

.empno {width:6em;}
.empname {width:30em;}
.date {width:8em;}
.amt {width:8em;}
.pct {width:5em;}
.dir {width:3em;}
.oicode {width:3em;}

.innerb {height:20em; overflow:auto;}

</style>

<style type="text/css">
 div.c1 {valign: center;}
</style>
</head>
<body>
<p></p>
<div class='c1'></div>
<table align='center' class='main' summary='Script output'>
    <caption class='head'>
    10% Analysis Report for 11/18/2012
    </caption>
    <thead>
        <tr>
            <th colspan='2' scope='col'>Employee</th>
            <th colspan='2' scope='col'>Period End</th>
            <th colspan='2' scope='col'>Gross Amount</th>
            <th class='pct' rowspan='2' scope='col'>Gross Chg&nbsp;%</th>
            <th class='amt' rowspan='2' scope='col'> &nbsp;&nbsp;&nbsp;Difference&nbsp;</th>
            <th class='dir' rowspan='2' scope='col'>Dir</th>
            <th colspan='2' scope='col'>Net Amount</th>
            <th class='amt' rowspan='2' scope='col'>Net Chg&nbsp;%</th>
            <th colspan='5' scope='col'>Current Period Amounts</th>
            <th colspan='3' scope='col'>Other Incomes</th>
        </tr>
        <tr>
            <th class='empno' scope='col'>xxxxxx</th>
            <th class='empname' scope='col'>Name</th>
            <th class='date' scope='col'>Latest</th>
            <th class='date' scope='col'>Previous</th>
            <th class='amt' scope='col'>Latest</th>
            <th class='amt' scope='col'>Previous</th>
            <th class='amt' scope='col'>Latest</th>
            <th class='amt' scope='col'>Previous</th>
            <th class='amt' scope='col'>Overtime</th>
            <th class='amt' scope='col'>DCP</th>
            <th class='amt' scope='col'>RRP</th>
            <th class='amt' scope='col'>OOP</th>
            <th class='amt' scope='col'>Other</th>
            <th class='oicode' scope='col'>Code</th>
            <th class='amt' scope='col'>Curr</th>
            <th class='amt' scope='col'>Prev</th>
        </tr>
    </thead>
    <tfoot>
        <tr>
            <td colspan="5">Footer</td>
        </tr>
    </tfoot>
    <tbody>
        <tr>
            <td colspan='20'>
                <div class="innerb">
                    <table class='subt' summary='script output'>
                        <tr>
                            <td class='empno' rowspan='2'>xxxxxx</td>
                            <td class='empname' rowspan='2'>Howya&nbsp;Doin</td>
                            <td class='date' rowspan='2'>11/18/2012</td>
                            <td class='date' rowspan='2'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='2'>7,241.67</td>
                            <td align='right' class='amt' rowspan='2'>6,325.00</td>
                            <td align='right' class='pct' rowspan='2'>14.49</td>
                            <td align='right' class='amt' rowspan='2'>916.67</td>
                            <td class='dir' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>4,246.38</td>
                            <td align='right' class='amt' rowspan='2'>3,660.80</td>
                            <td align='right' class='pct' rowspan='2'>16.00</td>
                            <td align='right' class='amt' rowspan='2'>916.67</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>825.00</td>
                            <td class="oicode">&nbsp;OT&nbsp;</td>
                            <td class="oiamt">&nbsp;916.67&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class="oicode">&nbsp;SH3&nbsp;</td>
                            <td class="oiamt">&nbsp;825.00&nbsp;</td>
                            <td class="oiamt">&nbsp;825.00&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class='empno' rowspan='2'>xxxxxx</td>
                            <td class='empname' rowspan='2'>Hoosier&nbsp;Friend</td>
                            <td class='date' rowspan='2'>11/18/2012</td>
                            <td class='date' rowspan='2'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='2'>2,174.04</td>
                            <td align='right' class='amt' rowspan='2'>1,961.54</td>
                            <td align='right' class='pct' rowspan='2'>10.83</td>
                            <td align='right' class='amt' rowspan='2'>212.50</td>
                            <td class='dir' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>1,511.09</td>
                            <td align='right' class='amt' rowspan='2'>1,363.72</td>
                            <td align='right' class='pct' rowspan='2'>10.81</td>
                            <td align='right' class='amt' rowspan='2'>212.50</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td class="oicode">&nbsp;OT&nbsp;</td>
                            <td class="oiamt">&nbsp;65.38&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class="oicode">&nbsp;OT1&nbsp;</td>
                            <td class="oiamt">&nbsp;147.12&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class='empno' rowspan='1'>xxxxxx</td>
                            <td class='empname' rowspan='1'>Wanna B.&nbsp;Special</td>
                            <td class='date' rowspan='1'>11/18/2012</td>
                            <td class='date' rowspan='1'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='1'>3,282.69</td>
                            <td align='right' class='amt' rowspan='1'>6,565.38</td>
                            <td align='right' class='pct' rowspan='1'>50.00</td>
                            <td align='right' class='amt' rowspan='1'>3,282.69</td>
                            <td class='dir' rowspan='1'>Down</td>
                            <td align='right' class='amt' rowspan='1'>2,138.21</td>
                            <td align='right' class='amt' rowspan='1'>3,975.41</td>
                            <td align='right' class='pct' rowspan='1'>46.21</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>3,282.69</td>
                            <td class="oicode">&nbsp;VAC&nbsp;</td>
                            <td class="oiamt">&nbsp;3,282.69&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class='empno' rowspan='2'>xxxxxx</td>
                            <td class='empname' rowspan='2'>Frisky&nbsp;Muffin</td>
                            <td class='date' rowspan='2'>11/18/2012</td>
                            <td class='date' rowspan='2'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='2'>2,223.50</td>
                            <td align='right' class='amt' rowspan='2'>2,020.38</td>
                            <td align='right' class='pct' rowspan='2'>10.05</td>
                            <td align='right' class='amt' rowspan='2'>203.12</td>
                            <td class='dir' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>1,561.17</td>
                            <td align='right' class='amt' rowspan='2'>1,400.01</td>
                            <td align='right' class='pct' rowspan='2'>11.51</td>
                            <td align='right' class='amt' rowspan='2'>203.12</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td class="oicode">&nbsp;OT&nbsp;</td>
                            <td class="oiamt">&nbsp;41.49&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class="oicode">&nbsp;OT1&nbsp;</td>
                            <td class="oiamt">&nbsp;161.63&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class='empno' rowspan='2'>xxxxxx</td>
                            <td class='empname' rowspan='2'>Howya&nbsp;Holdenup</td>
                            <td class='date' rowspan='2'>11/18/2012</td>
                            <td class='date' rowspan='2'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='2'>2,110.31</td>
                            <td align='right' class='amt' rowspan='2'>1,984.62</td>
                            <td align='right' class='pct' rowspan='2'>6.33</td>
                            <td align='right' class='amt' rowspan='2'>125.69</td>
                            <td class='dir' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>1,643.36</td>
                            <td align='right' class='amt' rowspan='2'>1,442.42</td>
                            <td align='right' class='pct' rowspan='2'>13.93</td>
                            <td align='right' class='amt' rowspan='2'>125.69</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='2'>&nbsp;</td>
                            <td class="oicode">&nbsp;OT&nbsp;</td>
                            <td class="oiamt">&nbsp;66.15&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class="oicode">&nbsp;OT1&nbsp;</td>
                            <td class="oiamt">&nbsp;59.54&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class='empno' rowspan='1'>xxxxxx</td>
                            <td class='empname' rowspan='1'>Failin&nbsp;Groovy</td>
                            <td class='date' rowspan='1'>11/18/2012</td>
                            <td class='date' rowspan='1'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='1'>300.00</td>
                            <td align='right' class='amt' rowspan='1'>4,876.92</td>
                            <td align='right' class='pct' rowspan='1'>93.85</td>
                            <td align='right' class='amt' rowspan='1'>4,576.92</td>
                            <td class='dir' rowspan='1'>Down</td>
                            <td align='right' class='amt' rowspan='1'>191.79</td>
                            <td align='right' class='amt' rowspan='1'>3,514.42</td>
                            <td align='right' class='pct' rowspan='1'>94.54</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>300.00</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td class="oicode">&nbsp;RR2&nbsp;</td>
                            <td class="oiamt">&nbsp;300.00&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class='empno' rowspan='1'>xxxxxx</td>
                            <td class='empname' rowspan='1'>Hoosier&nbsp;Cousin</td>
                            <td class='date' rowspan='1'>11/18/2012</td>
                            <td class='date' rowspan='1'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='1'>3,076.92</td>
                            <td align='right' class='amt' rowspan='1'>2,461.54</td>
                            <td align='right' class='pct' rowspan='1'>25.00</td>
                            <td align='right' class='amt' rowspan='1'>615.38</td>
                            <td class='dir' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>2,032.98</td>
                            <td align='right' class='amt' rowspan='1'>1,670.48</td>
                            <td align='right' class='pct' rowspan='1'>21.70</td>
                            <td align='right' class='amt' rowspan='1'>615.38</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td class="oicode">&nbsp;OT1&nbsp;</td>
                            <td class="oiamt">&nbsp;615.38&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class='empno' rowspan='1'>xxxxxx</td>
                            <td class='empname' rowspan='1'>Sunny&nbsp;Skies</td>
                            <td class='date' rowspan='1'>11/18/2012</td>
                            <td class='date' rowspan='1'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='1'>4,913.46</td>
                            <td align='right' class='amt' rowspan='1'>4,211.54</td>
                            <td align='right' class='pct' rowspan='1'>16.67</td>
                            <td align='right' class='amt' rowspan='1'>701.92</td>
                            <td class='dir' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>3,170.59</td>
                            <td align='right' class='amt' rowspan='1'>2,745.88</td>
                            <td align='right' class='pct' rowspan='1'>15.47</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>701.92</td>
                            <td class="oicode">&nbsp;HOL&nbsp;</td>
                            <td class="oiamt">&nbsp;701.92&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class='empno' rowspan='3'>xxxxxx</td>
                            <td class='empname' rowspan='3'>Wanna B.&nbsp;Somebody</td>
                            <td class='date' rowspan='3'>11/18/2012</td>
                            <td class='date' rowspan='3'>10/21/2012</td>
                            <td align='right' class='amt' rowspan='3'>11,788.46</td>
                            <td align='right' class='amt' rowspan='3'>35,365.38</td>
                            <td align='right' class='pct' rowspan='3'>66.67</td>
                            <td align='right' class='amt' rowspan='3'>23,576.92</td>
                            <td class='dir' rowspan='3'>Down</td>
                            <td align='right' class='amt' rowspan='3'>6,848.28</td>
                            <td align='right' class='amt' rowspan='3'>18,911.71</td>
                            <td align='right' class='pct' rowspan='3'>63.79</td>
                            <td align='right' class='amt' rowspan='3'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='3'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='3'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='3'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='3'>11,788.46</td>
                            <td class="oicode">&nbsp;EX1&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                            <td class="oiamt">&nbsp;353.65&nbsp;</td>
                        </tr>
                        <tr>
                            <td class="oicode">&nbsp;SEV&nbsp;</td>
                            <td class="oiamt">&nbsp;11,788.46&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class="oicode">&nbsp;VAC&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                            <td class="oiamt">&nbsp;23,576.92&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class='empno' rowspan='1'>xxxxxx</td>
                            <td class='empname' rowspan='1'>Sporty&nbsp;Cabin</td>
                            <td class='date' rowspan='1'>11/18/2012</td>
                            <td class='date' rowspan='1'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='1'>250.00</td>
                            <td align='right' class='amt' rowspan='1'>3,488.46</td>
                            <td align='right' class='pct' rowspan='1'>92.83</td>
                            <td align='right' class='amt' rowspan='1'>3,238.46</td>
                            <td class='dir' rowspan='1'>Down</td>
                            <td align='right' class='amt' rowspan='1'>138.70</td>
                            <td align='right' class='amt' rowspan='1'>1,958.82</td>
                            <td align='right' class='pct' rowspan='1'>92.92</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>250.00</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td class="oicode">&nbsp;RR2&nbsp;</td>
                            <td class="oiamt">&nbsp;250.00&nbsp;</td>
                            <td class="oiamt">&nbsp;&nbsp;&nbsp;</td>
                        </tr>
                        <tr>
                            <td class='empno' rowspan='1'>xxxxxx</td>
                            <td class='empname' rowspan='1'>Giant&nbsp;Cricket</td>
                            <td class='date' rowspan='1'>11/18/2012</td>
                            <td class='date' rowspan='1'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='1'>288.00</td>
                            <td align='right' class='amt' rowspan='1'>720.00</td>
                            <td align='right' class='pct' rowspan='1'>60.00</td>
                            <td align='right' class='amt' rowspan='1'>432.00</td>
                            <td class='dir' rowspan='1'>Down</td>
                            <td align='right' class='amt' rowspan='1'>265.81</td>
                            <td align='right' class='amt' rowspan='1'>622.38</td>
                            <td align='right' class='pct' rowspan='1'>57.29</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>288.00</td>
                            <td class="oicode">&nbsp;PDW&nbsp;</td>
                            <td class="oiamt">&nbsp;288.00&nbsp;</td>
                            <td class="oiamt">&nbsp;720.00&nbsp;</td>
                        </tr>
                        <tr class='SHADE'>
                            <td class='empno' rowspan='1'>xxxxxx</td>
                            <td class='empname' rowspan='1'>Blue&nbsp;Lagoon</td>
                            <td class='date' rowspan='1'>11/18/2012</td>
                            <td class='date' rowspan='1'>11/04/2012</td>
                            <td align='right' class='amt' rowspan='1'>5,927.54</td>
                            <td align='right' class='amt' rowspan='1'>3,236.92</td>
                            <td align='right' class='pct' rowspan='1'>83.12</td>
                            <td align='right' class='amt' rowspan='1'>2,690.62</td>
                            <td class='dir' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>3,889.05</td>
                            <td align='right' class='amt' rowspan='1'>2,253.43</td>
                            <td align='right' class='pct' rowspan='1'>72.58</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>&nbsp;</td>
                            <td align='right' class='amt' rowspan='1'>-34.00</td>
                            <td class="oicode">&nbsp;DBL&nbsp;</td>
                            <td class="oiamt">&nbsp;-34.00&nbsp;</td>
                            <td class="oiamt">&nbsp;-2,724.62&nbsp;</td>
                        </tr>
                    </table>
                </div>
            </td>
        </tr>
    </tbody>
</table>
</body>
</html>
4

1 回答 1

0

当您使用嵌套表以使数据行位于内部表中时，使列对齐变得非常困难。原因是内表的列与外表的列没有以任何方式连接。

在这种情况下，似乎部分差异是由标题单元格与数据单元格中不同的水平填充引起的。所以检查填充设置（在这个过程中最好减少填充，因为表格很宽，大填充会使情况变得更糟）。

于 2013-01-27T18:51:47.947 回答