body {
  margin-top: 30px;
}

table{
  margin-top:22px;
  width:100%;  
  height: 100%;
  }
table, tr,td{
  border-collapse:collapse;
  border: 1px dotted;
  text-align: center;
  font-size:1em;
  }
tr:hover{
  background: #ddd;  
  }
td:hover{  
    background: #f00;
  }


  #article {
    padding:10% 10% 0 0;
    font-family: Arial, Helvetica, sans-serif;
  }