body { background-color:rgb(228,228,255);}
h1,h2,h3 { text-align:center; }
th { text-align: center; }
table.iconbar td {text-align:center;}
table.calendar td[colspan] { text-align:center; background-color:lightgrey; }
table.calendar td:first-child { text-align:right; }
dt { font-weight: bold;
    margin-top: 2em; }