Update User Info and Assets in Navigation

src/components/navigation/dropdown.scss

@@ -3,7 +3,7 @@
 .dropdown {
     position: absolute;
     right: 0;
-    min-width: 240px;
+    min-width: 160px;
     max-width: 260px;
     background-color: $base-background-color;
     overflow: visible;

src/components/navigation/navigation.scss

@@ -148,20 +148,27 @@
                 text-indent: 100%;
                 white-space: nowrap;
                 overflow: hidden;
+
+                background-size: 45%;
+                background-repeat: no-repeat;
+                background-position: center center;
+                width: 30px;
+            }
+
+            > a:hover {
+                background-size: 50%;
             }
         }
 
         .messages {
             > a {
                 background-image: url('/images/nav-notifications.png');
-                width: 22px;
             }
         }
 
         .mystuff {
             > a {
                 background-image: url('/images/mystuff.png');
-                width: 25px;
             }
         }
 
@@ -188,17 +195,18 @@
                 }
 
                 &:after {
-                    $caret-border-width: 4px;
-                    margin-left: $caret-border-width;
-                    border: $caret-border-width solid transparent;
-                    border-bottom-width: 0;
-                    border-top-color: white;
+                    width: 20px;
+                    height: 20px;
                     content: " ";
-                    opacity: 0.5;
-                    vertical-align: middle;
-                    width: 0;
-                    height: 0;
                     display: inline-block;
+                    vertical-align: middle;
+
+                    background-image: url('/images/dropdown.png');
+                    background-size: 50%;
+                    background-repeat: no-repeat;
+                    background-position: center center;
+                    
+                    margin-left: 5px;
                 }
             }