CSS navbar & sidebar.
Admin sidebar HTML and CSS menu.
Sidebar menu with indicators.
Sidebar template with drop down menu based on Bootstrap.
Vertical/Horizontal responsive sidebar/navbar.
A simple off canvas mobile navigation with delayed link animation.
Lightweight, simple, easy to use Flexbox Off Canvas Menu.
Another off canvas menu using the checkbox hack to active mobile navigation.
You have probably all seen the "drawer menu/off-canvas" navigation style made popular by Facebook a few years back.
Some inspiration for off-canvas menu effects and styles using CSS transitions and SVG path animations.
Pure CSS3 HTML5 sliding panels and off canvas navigation.
An example of how to build a full page navigation that exists off of the screen canvas, sliding into view when clicking the menu option.
Sass off-canvas navigation.
From the course "Mastering CSS Transitions, Transforms & Animations" by CodyHouse.