How to set html scroll bar style

html scroll bar style setting can use scrollbar-width, scrollbar-color, ::-webkit-scrollbar, ::-webkit-scrollbar-thumb, ::-webkit-scrollbar-track, etc. Detailed introduction: 1. scrollbar-width, used to set the width of the scroll bar. You can use thin, auto or other specific width values ​​to set it, etc.

In web design, scroll bars are a common element used to scroll when content exceeds the size of the container. By default, browsers provide default styles for scroll bars, but sometimes we want to customize the appearance of scroll bars so that they match the overall design style of the web page. This article will introduce how to use CSS to style HTML scroll bars.

In HTML, the scroll bar is generated and controlled by the browser, so we need to use CSS to modify its style. To style a scrollbar, we need to use some CSS properties and pseudo-class selectors. The following are some commonly used attributes and pseudo-class selectors for setting the style of the scroll bar:

1. scrollbar-width: used to set the width of the scroll bar. You can use thin, auto or other specific width values ​​to set.

2. scrollbar-color: used to set the color of the scroll bar. It can be set using specific color values ​​or auto.

3. ::-webkit-scrollbar: Used to select the overall style of the scroll bar.

4. ::-webkit-scrollbar-thumb: The slider style used to select the scroll bar.

5. ::-webkit-scrollbar-track: Used to select the track style of the scroll bar.

Here is an example showing how to use CSS to style a scrollbar:

/* 设置滚动条的宽度和颜色 */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-thumb {
  background-color: #888;
}
::-webkit-scrollbar-track {
  background-color: #f1f1f1;
}
/* 设置滚动条在hover状态下的样式 */
::-webkit-scrollbar-thumb:hover {
  background-color: #555;
}

In the above example, we used the `::-webkit-scrollbar` pseudo-class selector to select the entire scrollbar and set the width to 10 pixels. Then, we select the slider using the `::-webkit-scrollbar-thumb` selector and set the background color to #888. Finally, we select the track using the `::-webkit-scrollbar-track` selector and set the background color to #f1f1f1.

In addition, we can also use pseudo-class selectors to set the style of the scroll bar in different states. For example, we can use the `::-webkit-scrollbar-thumb:hover` selector to style the scrollbar on mouse hover.

It should be noted that the styles in the above examples are only applicable to browsers using the WebKit core, such as Chrome and Safari. If you want to set the scroll bar style in other browsers, you need to use the corresponding browser prefix or use other methods.

To summarize, by using CSS properties and pseudo-class selectors, we can easily customize the style of HTML scroll bars. By adjusting the width, color, and other style attributes of the scroll bar, we can make the scroll bar match the overall design style of the web page and improve the user experience.

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