body{
    background-color: rgb(94, 126, 126);
}

table, th, td {
    border: 1px solid;
    padding:8px;  
    tr:nth-child(even){background-color: #a17676;}
    margin-left:auto; 
    margin-right:auto; 
  }
  form{
    text-align: center;
  }