jekyll博客中markdown表格不显示

<style>
  table{
    border-left:1px solid #000000;border-top:1px solid #000000;
    width: 100%;
    word-wrap:break-word; word-break:break-all;
  }
  table th{
  text-align:center;
  }
  table th,td{
    border-right:1px solid #000000;border-bottom:1px solid #000000;
  }
</style>