Index: wp-admin/css/customize-widgets.css =================================================================== --- wp-admin/css/customize-widgets.css (revision 32204) +++ wp-admin/css/customize-widgets.css (working copy) @@ -342,7 +342,7 @@ #available-widgets { position: absolute; overflow: auto; - top: 46px; + top: 0; bottom: 0; left: -301px; width: 300px; @@ -354,6 +354,14 @@ border-right: 1px solid #dddddd; } +#available-widgets-list { + top: 46px; + position: absolute; + overflow: auto; + bottom: 0; + width: 100%; +} + #available-widgets-filter { position: fixed; top: 0; @@ -614,6 +622,7 @@ @media screen and ( max-width: 640px ) { body.adding-widget div#available-widgets { + top: 46px; left: 0; z-index: 10; width: 100%; Index: wp-includes/class-wp-customize-widgets.php =================================================================== --- wp-includes/class-wp-customize-widgets.php (revision 32204) +++ wp-includes/class-wp-customize-widgets.php (working copy) @@ -668,11 +668,13 @@ +