diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/css/src/upload.css b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/css/src/upload.css
index 1766c60fd8b0f6f7ef91a110964c045406b8e035..4c865d8551aa021c85260a8d2e5da1d840ed9f3b 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/css/src/upload.css
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/css/src/upload.css
@@ -282,3 +282,12 @@ button:hover {
     left: 0;
     z-index: -100;
 }
+.delete-button {
+	cursor:pointer;
+	opacity: 0.5;
+	font-size: 20px;
+}
+.delete-button:hover {
+	opacity: 1;
+	font-weight:bold;
+}
\ No newline at end of file
diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js
index 236c566d3c7659aa9b1e5cf6df59460bbd79f115..336098e6538981e5fea960fd71a94889cbd4d75b 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/public/resources/uploader/js/src/upload.js
@@ -259,7 +259,7 @@ var Uploader = new function () {
         ++current_upload_id;
         $(settings.file_list)
             .append("<li class=\"upload\" id=\"upload-" + id + "\">" +
-            		"<span id='delete-" + id + "' style='font-size: 20px;'>X</span> " +
+            		"<span id='delete-" + id + "' class='delete-button'>X</span> " +
                     "<span id=\"progress-" + id + "\" class=\"progressbar-container\">" +
                     "<span id=\"progressbar-" + id + "\" class=\"progressbar\"></span>" + 
                     "</span>" +