*{
    box-sizing: border-box;
}
body{
    background-color: grey;
}
h1{
    text-align: center;
    color: blue;
}
.tabl{
    margin: 0 auto;
    text-align: center;
    font-size: xx-large;
    width: 620px;
    padding: 10px;
    color: blue;
    background-color: gold;
}
table{
    width: 600px;
}