Added IndexMenu no-js styles.

Fixed contents are overflowed on search result pages.

Fixed header not aligned to left.

Modified a style to wrap a word when overflowed.

Update README.md.

Moved mode_denied width from content.css to _admin.css.
Fixed mobile mode_denied width to be always 100%.

Release v20230822.

Fixed the login denied page to use content width from settings.

Reverted.

Fixed mode_denied page to apply the width.

Added Searchindex plugin CSS support.

Fixed to apply content width to preview/edit mode.
Fixed preview/edit mode to be 100% width in mobile mode.

Modified to support Book Creator Plugin.

Release 20230406.

Fixed the code tag overflows the content area when strings are long.

Fixed the login fieldset overflows the content area when screen size is narrow.
Fixed the code tag overflows the content area when strings are long.

Fixed diff and draft recovery page's background color to use theme's background color.

Added "viewport-fit=cover" option to viewport settings.

Fixed search content width to be 100% when screen size < 768px.

Moved mode_search styles into content.css.

Fixed content width to be 100% when screen size < 768px.

Release 20230315.

Modified to hide sidebar scrollbar.

Fixed toc doesn't show up in old revisions page.
(Need to call tpl_toc() after tpl_content() in old revisions page.)

Fixed sidebar breaks when percentage is specified in sidebar width settings.