table {
	font-family: Calibri;
	font-size: 12px;
        empty-cells: show;
        border: 1px solid #000;
}
th {
    min-width: 2em;
    min-height: 2em;
    border: 1px solid #000;
    color: white;
    background-color: salmon;
}
td {
    min-width: 2em;
    min-height: 2em;
    border: 1px solid #000;
}
table.blank {
    font-family: Calibri;
    font-size: 12px;
    empty-cells: show;
    border-collapse: collapse;
    border: 1px solid #000;
}
table.center {
    margin-left:auto;
    margin-right:auto;
    empty-cells: show;
    border-collapse: collapse;
    border: 1px solid #000;
}

td.centre {
    min-width: 2em;
    min-height: 2em;
    border: 1px solid #000;
    text-align:center;
}

a {
    color: blue;
}

a:hover {
    background-color: yellow;
}

a:active {
    font-style:italic;
}