yana-server/plugins/caldav/css/main.css

#calendar {
	max-width: 900px;
	margin: 0 auto;
}

.fc-event{
	border-radius:0;
}

.fc-event[data-selected]{
	background-color:#FFA500!important;
	border-color:#CC880B!important;
}

.fc-day.fc-sun{ background-color:#f3f3f3; }
.fc-day.fc-sat { background-color:#f3f3f3;  }

.fc-day-top a{
	color: #9e9d9d;
	text-decoration: none;
	display: inline-block;
	background: #EAEAEA;
	width: 20px;
	text-align: center;
}

.fc-event{
	border-radius:2px!important;
	padding:3px!important;
	transition:background 0.2s linear;
}