fixed build error

Author: bklaing2

src/stylesheets/doi/components/_tabs-navs-pagination.scss

@@ -81,11 +81,6 @@
             border-bottom: 1px solid $light-gray !important;
             //height: 50px;
         }
-            background-color: transparent;
-            border: 0 none;
-            border-bottom: 1px solid $light-gray !important;
-            //height: 50px;
-        }
 
         button.active:before{
             border-bottom: 11px solid $light-gray;