list-style-type: none; is a CSS property that removes bullets (for unordered lists) or numbers (for ordered lists) from HTML lists. What it does: Removes the marker (bullet/number) from list items Where to use: Apply to <ul>, <ol>, or <li> elements Common use: Creating navigation menus, custom-styled lists without bullets Example: ul { list-style-type : none ; margin : 0 ; padding : 0 ; } Enter fullscreen mode Exit fullscreen mode The none value means no marker is shown at all. <ul> <li> Item 1 </li> <li> Item 2 </li> </ul> <style> ul { list-style-type : none ; padding : 0 ; margin : 0 ; } </style> This removes the default bullets from the list. Enter fullscreen mode Exit fullscreen mode transition: color 0.3s; is a CSS shorthand property that creates a smooth animation when an element's color changes, taking 0.3 seconds to complete. transition: CSS shorthand for animating property changes smoothly.…