fixed chart sizing

src/styles.scss

@@ -9,4 +9,10 @@
 
 .p-datatable.p-datatable-hoverable-rows .p-datatable-tbody>tr:not(.p-highlight) {
     cursor: pointer;
+}
+
+
+p-chart>div {
+    position: relative;
+    min-height: 40vh;
 }