Hints

  1. For usage hover explantion, visit the documentation here.
  2. For 4 second transion (for example), go back to the non-hover class and add transition: 4s;.
  3. Refer to the W3Schools documentation to find a property that allow you to control the transition effect.

  4. style.css

    first-element:active second-element {

     property: value;

    }