body   {
           text-align:center;
           background-image:url(pa21.gif);
           background-position:top center;
           background-repeat:repeat;
          }
   .contents{
           text-align:left;
           width:800px;
           margin:auto;
           margin-top:80px;
          }
   .update{
           margin:20px 70px;
           background-color:white;
           padding:10px;
          }
   .pr    {
           font-family: "MS PƒSƒVƒbƒN",Times,serif;
           font-size:13px;
           font-style:nomal;
           color:#000000;
           background-color:white;
           
           vertical-align:middle;
          }
   h1     {
           width:800px;
           text-align:center;
          }
   h2     {
           width:550px;
           text-align:center;
          }

   td     {
           text-align:center;
          }
   ol     {
           margin-left:300px;
          }
   li     {
           line-height:150%;
           font-size:20px;
           margin-top:15px;
           margin-left:0px;

          }
  small  {
           line-height:200%;
           font-size:13px;
          }