table{
    margin: auto;
    font-size: 2em;
    border-collapse: collapse;
}


th,td{
    border: 2px solid black;
    padding: 10px;
}


thead,tfoot {
    background-color: brown;
}


tr:last-child{
    text-align: center;
  
}








@media screen and (max-width: 600px) {
    main,
    footer{
        margin-left: 100px;
    }
    
}