Template:Calendar/styles.css

tr:first-child > td > .fc-day-grid-event {padding: 3px 0;}
a.fc-day-number {text-decoration:none}
span.fc-title, span.fc-time {color:#fff !important}
.fullwidth {width:100%;}
.cal td, .cal th {padding:8px}
.cal td:nth-child(1), .cal td:nth-child(2) {width:11em}
table.cal.current td {border:1px solid white}