table{
  width: 100%;
  border: 1px solid #333;
  border-collapse: collapse;
  margin-right: auto;
  margin-left: auto;
}

td,th{
padding: 3px;
border: 1px solid #333;
vertical-align: top;
}

td{
text-align: center;
}

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