jquery-mobile-menu-plugin/dist/extensions/widescreen/jquery.mmenu.widescreen.css

The best jQuery plugin for app look-alike on- and off-canvas menus with sliding submenus for your website and webapp.

body,html{overflow:auto!important}
body{position:relative}
#mm-blocker{display:none!important}
.mm-slideout{-webkit-transform:none!important;transform:none!important;width:70%!important;margin-left:30%!important}
.mm-page{background:inherit;box-sizing:border-box}
.mm-menu.mm-widescreen{display:block;width:30%!important;min-width:none!important;max-width:none!important;top:0!important;right:auto!important;bottom:0!important;left:0!important;z-index:0!important;border-right-width:1px;border-right-style:solid}
.mm-menu.mm-widescreen.mm-pageshadow:after{content:none;display:none}