body{
    margin: auto;
    font-family: sans-serif;
    font-size: 12px;
}

DIV.container {
    min-height: 20px;   
    vertical-align: middle;
    text-align: center;
}

table {
    border-collapse: collapse;
  }
  
td, th {
    border: 1px solid #999;
    padding: 0.5rem;
    text-align: left;
  }