tr>td {
    font-size: large;
    text-align: center;
    border: 1px grey solid;
    width: 10em;
}
th {
    border: 1px black solid;
    font-size: large;
}
table {
    margin: auto;
    border: 2px black solid;
    
}

caption {
    color: red;
    font-size: 3em;
}

img {
    width: 50%;
}