Fix image color inversion w/ CSS

Change-Id: Ic156d24cb41af68c6904b5b9fc335531004ae755
diff --git a/index.html b/index.html
index 2a34178..5b52350 100644
--- a/index.html
+++ b/index.html
@@ -27,8 +27,9 @@
   <!-- Navbar -->
   <nav class="navbar navbar-expand-md navbar-light fixed-top bg-light" style="padding-right: 41px;">
     <div class="container pt-6">
-      <a class="navbar-brand" href="#"><img src="images/bliss-brand-icon.png" width="50"
-          class="d-inline-block align-top" alt="" style="-webkit-filter: invert(100%)"></a>
+      <a class="navbar-brand" href="#">
+        <img src="images/bliss-brand-icon.png" width="50" class="d-inline-block align-top navbar-brand-image" alt="">
+      </a>
       <div class="row">
         <div class="col-md-12"><a class="navbar-brand" href="#"><b><b>BlissRoms</b></b></a></div>
       </div>