body {
    margin: 40px 10px;
    padding: 0;
    font-family: Arial, Helvetica Neue, Helvetica, sans-serif;
    font-size: 14px;
}

#calendar {
    max-width: 700px;
    margin: 0 auto;
}

.fc-time-grid-event.fc-short .fc-time:before {
   content: attr(data-full);
}