The side menu widget that leaves you the opportunity to fill it with any content at your discretion. You can also note:

Fully customizable menu appearance and menu buttons using Adobe Muse itself;
Any content - you can add any elements - from text to the form of feedback;
Easy customization of the widget;
Minimal weight and high smoothness of work on any devices;
SUPPORT FLEXIBLE FACE LEFT / RIGHT on the touch screens (can be turned off if desired)

Demonstration of the work: https://pro100muse.ru/demo/slidemenu/