Show busy indicator while waiting for query results - fixes #104

Change-Id: Ib818517199d8e8cb76215d7453849f6d813a61e3
diff --git a/dev/scss/header/searchbar.scss b/dev/scss/header/searchbar.scss
index ab86913..7e34b27 100644
--- a/dev/scss/header/searchbar.scss
+++ b/dev/scss/header/searchbar.scss
@@ -19,6 +19,11 @@
   &::-webkit-search-cancel-button {
     display: none;
   }
+
+  &.loading {
+    background-color: $light-orange;
+    background-image: none;
+  }
 }
 
 header input {
@@ -34,7 +39,7 @@
     position: absolute;
     padding: 0;
     right: $right-distance;
-    &::after {
+    &:not(.loading)::after {
       content: $fa-search;
     }
   }