Added search button to mobile navbar

web/sass-files/sass/partials/_navbar.scss

@@ -33,6 +33,9 @@
 				background: #fff;
 				width: 21px;
 			}
+			.icon--white {
+				color: #fff;
+			}
 			&:hover, &:active, &:focus {
 				background: inherit;
 			}