fix nav bar problems created by accessibility improvements

groups/home/bootstrap3/Vue3-v.7-css.html

@@ -162,6 +162,10 @@
     font-size: 1.4em;
     color: var(--text);
     border-radius: 0;
+    padding: 10px 0;
+  }
+  .main-nav-dropdown {
+    margin: 0 8px;
   }
   .nav .open > a,
   .nav .open > a:focus,
@@ -181,6 +185,8 @@
   }
   .ga-main-navbar {
     font-size: 1.3em;
+    background-color: transparent;
+    border: none;
   }
   #dropdownMenu1 {
     border-radius: 0;