h1 {
    color: blue;
    font-size: 40px;
    text-align: center;
}

p{
    color: grey;
    font-size: 20px;;
    text-align: justify;;

}

a{
    color:green;
    text-decoration : none;
    text-align: center;
    font-size: 20px;
    display: block;
}
table{
    border: 1px solid black;
    margin: 20px auto;
}
th,td {
    border: 2px solid black;; 
}