Html 超链接文本对齐在IE 10中并不总是正确的

我有一个非常简单的HTML表。表格单元格有几个超链接。下面是一个带有两个超链接的示例表：

<table cellspacing="0" class="list">
  <tr><td style="width:40%"><span style="background-color:#D0D5E6">&nbsp;</span><br /><a href="#">Text</a><br />(xx.xx.)</td><td><b>PCafe, Hämla:</b><br />Men 6 ot<br />Pel 32 ot</td><td><a href="follow.html" class="pnk">Seuraa livenä &raquo;</a></td></tr>
  <tr><td style="width:40%"><span style="background-color:#D0D5E6">&nbsp;</span><br /><a href="#">Text</a><br />(xx.xx.)</td><td><b>PCafe, Hämla:</b><br />Men 6 ot<br />Pel 32 ot</td><td><a href="follow.html" class="pnk">Seuraa livenä &raquo;</a></td></tr>
  <tr><td style="width:40%"><span style="background-color:#D0D5E6">&nbsp;</span><br /><a href="#">Text</a><br />(xx.xx.)</td><td><b>PCafe, Hämla:</b><br />Men 6 ot<br />Pel 32 ot</td><td><a href="follow.html" class="pnk">Seuraa livenä &raquo;</a></td></tr>
</table>    

body {
  line-height: 18px;
  text-align: left;
  font-family: "Exo 2", Tahoma, sans-serif;
  font-weight: 500;
  font-size: 11px;
  color: #000000;
}

.pnk {
  box-sizing: content-box;
  height: 18px;
  vertical-align: middle;
  text-align: center;
  padding-left: 6px;
  padding-right: 6px;
  padding-top: 2px;
  padding-bottom: 2px;
  border: 1px solid #323B5A;
  background-color: #323B5A;
  font-family: "Exo 2", Tahoma, sans-serif;
  font-weight: 400;
  font-size: 11px;
  color: #FFFFFF;
  text-decoration: none;
  line-height: 18px;
  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
}

@media screen and (min-width: 600px) {
  .pnk {
    padding-top: 2px;
    padding-bottom: 2px;
  }
}

@media screen and (min-width: 1050px) {
  .pnk {
    padding-top: 2px;
    padding-bottom: 2px;
  }
}

a.pnk {
  color:#FFFFFF;
  text-decoration: none;
  font-weight:400;
  display:inline-block;
}

table.list td {
  padding-left: 10px;
  padding-right: 5px;
  padding-top: 5px;
  padding-bottom: 5px;
  text-align: left;
  vertical-align: middle;
  display: block;
  box-sizing: border-box;
  float: left;
}

@media screen and (min-width: 600px) {
  table.list td {
    padding-left: 10px;
    padding-right: 5px;
    padding-top: 0px;
    padding-bottom: 0px;
    border-bottom: 1px dotted #999999;
    text-align: left;
    vertical-align: middle;
    display: table-cell;
    box-sizing: content-box;
    float: none;
  }
}