How to customize the scroll bar style with css

In web development, scroll bars are a common but easily overlooked element. By default, the scroll bar style is determined by the operating system or browser, so the scroll bar style may differ on different devices or browsers. Through CSS, we can customize the style of the scroll bar to enhance the user experience.

1. The style of the scroll bar

In CSS, there are two properties that can be used to control the style of the scroll bar: scrollbar-width and scrollbar- color.

scrollbar-width The attribute defines the width of the scroll bar. There are several values ​​to choose from:

• auto: Default value , the browser will determine the width of the scroll bar based on the operating system and browser settings;
• thin: The width of the scroll bar is narrow;
• none : The scroll bar is not visible.

scrollbar-color The property defines the color of the scroll bar. This property accepts two values: foreground color and background color. The foreground color represents the main color of the scroll bar, and the background color represents the background color of the scroll bar. These two values ​​​​can be any color values, or you can use system-defined color values, such as button colors, etc.

2. Modification of scroll bar style

The following is an example of modifying the scroll bar style:

/* 修改滚动条的宽度为10px，颜色为白色 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
  background: #fff;
}

/* 修改滚动条的轨道和滑块颜色 */
::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
}

/* hover时滚动条轨道和滑块变色 */
::-webkit-scrollbar-thumb:hover {
  background: #555;
}

::-webkit-scrollbar-track:hover {
  background: #ccc;
}

In the above code, we modify it by modifying::- Webkit-scrollbar, ::-webkit-scrollbar-thumb, ::-webkit-scrollbar-track and other pseudo-element styles are used to modify the scroll bar style. Modifications to scroll bar width, color, background color, slider color, etc.

If you need to modify the style of other browsers, you can use the corresponding browser prefix, such as ::-moz-scrollbar, ::-ie-scrollbar wait.

3. Application of scroll bar styles

We can use scroll bar styles in our web pages to improve user experience. For example, in a longer article, in order to make it easier for users to read and view information, we can add a beautiful scroll bar:

<style>
  /* 滚动条样式 */
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
    background: #fff;
  }

  ::-webkit-scrollbar-track {
    background: #f1f1f1;
  }

  ::-webkit-scrollbar-thumb {
    background: #888;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #555;
  }

  ::-webkit-scrollbar-track:hover {
    background: #ccc;
  }

  /* 正文样式 */
  .content {
    margin: 20px auto;
    width: 800px;
    font-size: 16px;
    line-height: 1.5;
  }
</style>

<div class="content">
  <h1>美丽的滚动条</h1>
  <p>在网页开发中，滚动条是一个常见但容易被忽略的元素。默认情况下，滚动条的样式是由操作系统或浏览器决定的，因此在不同的设备或浏览器上，滚动条的样式可能会有所不同。而通过 CSS，我们可以对滚动条的样式进行自定义，以增强用户体验。</p>
  <p>如果需要对其他浏览器进行样式修改，可以使用相应的浏览器前缀，比如 ::-moz-scrollbar、::-ie-scrollbar 等。</p>
  <p>在自己的网页中使用滚动条样式来提高用户体验。比如，在较长的文章中，为了让用户更方便地阅读和查看信息，我们可以添加一个漂亮的滚动条。</p>
  <p>滚动条的样式修改并不会影响浏览器、操作系统等运行环境的正常功能，所以可以放心使用。</p>
  <p>在代码编写时一定要注意，不同的浏览器和系统可能对样式有所不同，因此最好进行兼容性测试，以确保样式能够正常显示。</p>
</div>

Through the above code, we have implemented a web page with a scroll bar style , and by adjusting the scroll bar style, users can have a better reading and browsing experience.

4. Summary

The scroll bar style can be modified through CSS, mainly using the scrollbar-width and scrollbar-color properties, and The style modification of the scroll bar can be achieved through pseudo elements ::-webkit-scrollbar, etc. We can use scroll bar styles in our web pages to improve user experience. When writing styles, you must take compatibility into consideration to ensure that the style can be displayed normally in different browsers and systems.

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