diff --git a/youmap/static/youmap/youmap.css b/youmap/static/youmap/youmap.css
index 65d247b8..70e37f39 100644
--- a/youmap/static/youmap/youmap.css
+++ b/youmap/static/youmap/youmap.css
@@ -70,4 +70,12 @@ input:-moz-placeholder, :-moz-placeholder {
 }
 #storage-ui-container select {
     margin-bottom: 10px;
-}
\ No newline at end of file
+}
+
+#storage-ui-container.warning .button {
+    background-color: #c60f13;
+    border: 1px solid #7f0a0c;
+}
+#storage-ui-container.warning .button:hover {
+    background-color: #970b0e;
+}