a.fc-day-grid-event {
    margin: 0 2px 2px 2px;
    padding: 3px 6px;
    border-radius: 0;
    font-weight: normal;
}

a.fc-day-grid-event > div.fc-content {
    font-size: 0.88em;
}

.fc-day-number {
    padding: 2px 8px !important;
    font-weight: 500;
}