h1 {
    text-align: center;
    font-family: sans-serif;
}

table {
    width: 40%;
    border-collapse: collapse;
    margin: auto;
   
}

td,th {
    border: 2px solid;
    font-size: large;
    font-family: sans-serif;
    padding: 5px;
}

th {
    text-decoration: underline 2px;
    background-color: #f2f2f2;
}

.tdcentre {
    text-align: center;
}