Sidenav content icon size fixed

Author: kevzlou7979

gwt-material/src/main/resources/gwt/material/design/public/css/overridecss.css

@@ -1076,11 +1076,15 @@ ul.side-nav li {
 }
 
 ul.side-nav i {
-    font-size: 2em !important;
+    font-size: 2em;
     width: 2rem;
     line-height: inherit;
 }
 
+ul.side-nav .sidenav-content i {
+    font-size: 1.6em;
+}
+
 ul.side-nav .collapsible-header,
 .side-nav .collapsible-body {
     padding: 0 !important;