diff --git a/photos.scss b/photos.scss
index 2825713..e1720ce 100644
--- a/photos.scss
+++ b/photos.scss
@@ -172,9 +172,10 @@ form.admin {
     padding: 1.8em 1ex;
     display: flex;
     width: -moz-available;
+    width: -webkit-fill-available;
     width: available;
 
-    input[type="text"] {
+    input[type="text"], input[type="range"] {
 	flex-grow: 1;
 	margin-right: 1ex;
     }