set tick labels to white

frontend/frontend.js

@@ -26,6 +26,12 @@ function graphSpectralData (obj, dom) {
     grid: {
       color: 'white'
     }
+    xaxis: {
+      color: 'white'
+    }
+    yaxis: {
+      color: 'white'
+    }
   }
   $.plot('#graph', [graphPoints], options);
   // flot expects an array of arrays (lines) of 2-element arrays (points)

frontend/stylesheet.css

@@ -59,6 +59,11 @@ body {
   background-color: #8d0000;
   color: white;
 }
+
 .table-secondary {
   color: black;
 }
+
+.flot-tick-label {
+  color: white;
+}