Display category children & Add calendar stats

server/static/styles/calendar.css

@@ -0,0 +1,43 @@
+.cal {
+	display: flex;
+	flex-direction: row;
+}
+
+.cal_col {
+	display: flex;
+	flex-direction: column;
+}
+
+.cal_day {
+	width: 4em;
+	height: 1.5em;
+	padding-top: 0.5em;
+	padding-bottom: 0.5em;
+	text-align: center;
+	border: dotted 1px grey;
+}
+
+.cal_day_non_empty {
+	background-color: #785ddc;
+	color: #fdab70;
+}
+
+.cal_day_missing {
+	background-color: pink;
+}
+
+.cal_day_border_top {
+	border-top: solid 1px white;
+}
+
+.cal_day_border_bottom {
+	border-bottom: solid 1px white;
+}
+
+.cal_day_border_left {
+	border-left: solid 1px white;
+}
+
+.cal_day_border_right {
+	border-right: solid 1px white;
+}