further color improvement

Author: nem035

css/stylesheet.css

@@ -447,11 +447,11 @@ pre {
 }
 
 .mtbl-col.selected {
-    background: #00f;
+    background: #2962ff;
 }
 
 .mtbl-col.notified {
-    background: #f00;
+    background: #f50057;
 }
 
 .mchrt-chart {

js/module/tracer/directed_graph.js

@@ -15,8 +15,8 @@ class DirectedGraphTracer extends Tracer {
     super(name);
 
     this.color = {
-      selected: '#0f0',
-      visited: '#f00',
+      selected: '#2962ff',
+      visited: '#f50057',
       left: '#000',
       default: '#888'
     };

public/algorithm_visualizer.css

@@ -568,11 +568,11 @@ pre {
 }
 
 .mtbl-col.selected {
-    background: #00f;
+    background: #2962ff;
 }
 
 .mtbl-col.notified {
-    background: #f00;
+    background: #f50057;
 }
 
 .mchrt-chart {