css table表格边框和背景图片

<style type="text/css">
  .rowsbg
        {
         color: #003366;
 background-image: url(images/tt_di22.gif);
 
}
   table
        {
            border-style: none;
            border-color: inherit;
            border-width: medium;
            border-collapse: collapse;
            width: 933px;
        }
        td
        {
            border: solid #cccccc 1px;
        }</style>