body {
    background-color: azure;
}

.header {
    text-align: right;
    margin: 5px;
}

table {
    border: 1px solid black;
    border-collapse: collapse;
    width: auto;
    margin: auto;
}

th {
    border: 1px solid black;
    padding: 10px;
    text-align: left;
    background-color: gainsboro;
}

td {
    border: 1px solid black;
    padding: 10px;
    text-align: center;
}