h2 {      
      text-align: center;   
      font-weight: bold;   
}

div#cent {
   
   /*background-color:yellow;*/
   margin:1%;
   margin-right:1%;
   
   margin-bottom:1%;
   
      border: solid black  1px;     
      border-bottom: solid black 2px;
      border-right: solid black 2px;
  
}

table {
      margin-left:auto;
      margin-right:auto;
     /* width:98%;*/
      border: solid black  1px;     
      border-bottom: solid black 2px;
      border-right: solid black 2px;
}

table caption {  
  align:center;
  font-size: 1.5Em;  
  font-weight: bold;   
  margin-bottom:15px;
}

table tr {
      border-spacing:0;
      border-bottom: solid black 1px;      
}     
     
table th {      
   border-bottom: solid black 2px;   
   background-color:#f0f0f0;       
}

table td {
  text-align: left;
  border-bottom: solid black 1px;
  border-right: solid #f1f1f1 1px;
}

table td.need-center {
   text-align: center;
}