Chart performance tweaks, UI tweaks

app/less/charts.less

@@ -1,29 +1,14 @@
 
 .chart {
-  .user-select-none();
-  display: inline-block;
-  margin: 0;
-  cursor: default;
-  overflow: hidden;
+  .medPhone({
+    .axis {
+      font-size: 0.8em;
 
-  width: 33%;
-  box-sizing: border-box;
-
-  .tablet({
-    width: 50%;
-  });
-
-  .largePhone({
-    width: 100%;
-  });
-
-  h3 {
-    text-align: center;
-
-    &[ng-click] {
-      cursor: pointer;
+      g.tick:nth-child(2n + 1) text {
+        display: none;
+      }
     }
-  }
+  });
 }
 
 svg {