Initial commit

ui/src/components/Tooltip.tsx

@@ -0,0 +1,13 @@
+import { Theme, withStyles } from "@material-ui/core/styles";
+import Tooltip from "@material-ui/core/Tooltip";
+
+// Export custom style tooltip.
+export default withStyles((theme: Theme) => ({
+  tooltip: {
+    backgroundColor: "#f5f5f9",
+    color: "rgba(0, 0, 0, 0.87)",
+    maxWidth: 400,
+    fontSize: theme.typography.pxToRem(12),
+    border: "1px solid #dadde9",
+  },
+}))(Tooltip);