font size medium

src/client/styles/scss/_layout.scss

@@ -19,6 +19,9 @@
         cursor: default;
       }
     }
+    @media screen and (max-width: 768px) {
+      font-size: 14px;
+    }
   }
 
   /*
@@ -178,10 +181,3 @@ $nav-main-left-tab-width: 95px;
     }
   }
 }
-
-// nav bar user name
-.user-name {
-  @media screen and (max-width: 380px) {
-    font-size: 14px;
-  }
-}