Gallery: Enlarge the size of range inputs in Gallery.

ui/file_manager/gallery/css/gallery.css

Index: ui/file_manager/gallery/css/gallery.css
diff --git a/ui/file_manager/gallery/css/gallery.css b/ui/file_manager/gallery/css/gallery.css
index 6a19b60b38fd3d5b9f468fbe20b32ab69c974b79..2d8d487db6583c7c53122f2a2cdb4e19955e7a07 100644
--- a/ui/file_manager/gallery/css/gallery.css
+++ b/ui/file_manager/gallery/css/gallery.css
@@ -883,9 +883,21 @@ input[type='checkbox']:checked {
 
 .gallery .edit-modal .range {
   -webkit-appearance: none !important;
-  height: 3px;
+  background: transparent;
+  height: 29px;
   margin-right: 10px;
-  margin-top: 1px;
+  position: relative;
+}
+
+.gallery .edit-modal .range::before {
+  background: #fff;
+  content: '';
+  display: block;
+  height: 3px;
+  left: 3px;
+  position: absolute;
+  right: 3px;
+  top: 13px;
 }
 
 .gallery .edit-modal .range::-webkit-slider-thumb {