#calendar {
	display: flex ;
    flex-direction: row;
    flex-wrap: wrap;
}
.month {
	border: 1px solid #ccc;
	padding: 10px;
	text-align: center;
	width: 100%;
	height: 100%;
}
.month h3 {
	margin: 0 0 10px;
}
table {
	width: 100%;
	border-collapse: collapse;
}
th, td {
	border: 1px solid #ddd;
	padding: 5px;
	text-align: center;
}
td {
	cursor: pointer;
}
td.today {
	background-color: #ffeb3b;
}
td.marked {
	background-color: #c8e6c9;
}
@media (max-width: 768px) {
	#calendar {
	}
}