add css

src/client/js/components/BookmarkButton.jsx

@@ -74,7 +74,7 @@ class BookmarkButton extends React.Component {
         >
           <i className="icon-star"></i>
         </button>
-        <div>
+        <div className="total-bookmarks">
           {this.state.sumOfBookmarks}
         </div>
       </div>

src/client/styles/scss/_subnav.scss

@@ -46,6 +46,13 @@
     font-size: 16px;
   }
 
+  .total-bookmarks {
+    width: 8px;
+    height: 16px;
+    padding: 0.5em 0 0 0;
+    font-size: 16px;
+  }
+
   ul.authors {
     padding: 0.7em 0 0.7em 1.5em;
     margin-bottom: 0;
@@ -96,6 +103,12 @@
       height: 12px;
       font-size: 12px;
     }
+
+    .total-bookmarks {
+      width: 6px;
+      height: 12px;
+      font-size: 12px;
+    }
   }
 }