updating icons

dist/ratchet.css

@@ -536,7 +536,7 @@ input[type="button"] {
 .bar-tab .tab-item .icon {
   width: 24px;
   height: 24px;
-  margin-top: 5px;
+  margin-top: 4px;
 }
 .bar-tab .tab-item .icon ~ .tab-label {
   display: block;

lib/sass/bars.scss

@@ -106,7 +106,7 @@
     .icon {
       width: 24px;
       height: 24px;
-      margin-top: 5px;
+      margin-top: 4px;
 
       // Make the label smaller if it's used with an icon
       ~ .tab-label {