CSS细线表格

<style type="text/css">  table {    border-collapse: collapse;    line-height: 125%;  }  th, td {    text-align: left;    vertical-align: top;  }  table {    margin: 1em 0 0 1px;    border: 1px solid;    border-color: #3366CC;    border-spacing: 0;    border-collapse: collapse;    clear: right;  }  th {    font-weight: bold;    text-align: left;    padding: 6px 12px;    border: 1px solid #3366CC;    background-color: #e5ecf9;  }  td {    padding: 6px 12px;    border: 1px solid #3366CC;    background-color: white;    text-align: left;    vertical-align: top;  }  td h1, td h2, td h3, td h4, td h5 {    margin-left: 0;  }  td ul, td ol {    margin: 0 0 1em 15px;    padding: 0;  }  td p, td dl {    margin: 0 0 1em 0;    padding: 0;  }  td *+p {    margin: 1em 0 0 0;    padding: 0;  }  tr.alt td, td.alt {    background: #f5f5f5;  }</style><table>  <th>A</th>  <th>B</th>  <tr alt="CSS细线报表">