CSS scroll bar style

The style of the scroll bar can be set by scrollbar-width, scrollbar-color, scrollbar-track-color, scrollbar-thumb-color and scrollbar-face-color. Detailed introduction: 1. scrollbar-width is used to set the width of the scroll bar; 2. scrollbar-color is used to set the color of the scroll bar; 3. scrollbar-track-color is used to set the track color of the scroll bar; 4. scrollbar-t