diff --git a/Bootstrap.Admin/wwwroot/css/site.css b/Bootstrap.Admin/wwwroot/css/site.css
index 54b33ec8..7d23ff03 100644
--- a/Bootstrap.Admin/wwwroot/css/site.css
+++ b/Bootstrap.Admin/wwwroot/css/site.css
@@ -464,3 +464,7 @@ a, a:hover, a:focus {
 .tooltip.has-error .tooltip-arrow {
     border-top-color: #a94442;
 }
+
+.file-drop-zone.clickable:hover {
+    border: 1px dashed #999;
+}
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