目录前言1、派生按钮渲染器与按钮编辑器2、表格实现3、编辑调试代码：4、完整可运行代码前言
Usually I would use :hover, but I want my website to be accessible on touchscreen media too. I know I can use :active, but as soon as I let go of the mouse button, it goes back to its inactive state.
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