Animated Scrolling Navigation Bar

Examples: https://jsfiddle.net/DZuz14/0zu0ybzv/ (transparent to black shrinking nav) https://jsfiddle.net/DZuz14/b7woctx6/ (shrinking nav with no color change) https://jsfiddle.net/DZuz14/op177v4u/ (black to red with no shrinking of navbar height) How to animate and colorize your navigation bar when a user scrolls on a page with jquery and some basic css.

• #تحصیلات_و_یادگیری
• #css3
• #css
• #html