To change the highlight of an entire webpage to a custom color, you can apply it to the root or a specific element:
Only a limited set of CSS properties can be used with ::selection , as browsers restrict them for performance and usability reasons: : Sets the color of the selected text. background-color : Sets the highlight color behind the text. text-shadow : Adds a shadow effect to the selected text. CSS Selection Property - YouTube
For a visual breakdown of how these selectors work, you can explore the CSS Selectors Tutorial on YouTube. CSS user-select Property (Rare CSS Props #1) To change the highlight of an entire webpage
: Can be used to add or remove underlines/strikes (support varies by browser). Usage Example CSS Selection Property - YouTube
