a {
    display: block;
    float: left;
    width: 300px;
    height: 50px;
    padding: 2px;
    font-family: Verdana, sans-serif;
    font-size: 10pt;
    color: #000000;
    text-decoration: none
}
a.plain {
    display: inline;
    float: none;
    width: auto;
    height: auto
}
a.sort {
    display: block;
    float: left;
    width: 100px;
    height: 15px;
    font-family: Verdana, sans-serif;

<table class="collapse" id="header" align="center" width="500" style="width: 500px;padding:0;margin:0;line-height:1px;font-size:1px;" bgcolor="#e1e8ed" cellpadding="0" cellspacing="0" border="0">
<tbody>
<tr>