Pill list grid example: increase border and button color contrast for remove buttons (pull #1592)

Fixes #1568

Author: hellofanny

examples/grid/css/layoutGrids.css

@@ -143,9 +143,9 @@
 
 .pill-item {
   background: #eee;
-  border: 1px solid #acc1e4;
+  border: 1px solid #3a69b6;
   border-radius: 2px;
-  color: #acc1e4;
+  color: #3a69b6;
   display: inline-block;
   font-size: 14px;
   margin: 5px 5px 0 0;