非标
此特征是非标准的，且不在标准轨道中。不要在面向 Web 的生产站点中使用它：它不适用于每个用户。实现之间可能存在大的不兼容性，且行为将来可能改变。
-ms-scroll-rails
CSS
特性为
Microsoft extension
that specifies whether scrolling locks to the primary axis of motion.
| 初始值 |
railed
|
|---|---|
| 适用于 | non-replaced block-level elements and non-replaced inline-block elements |
| 继承 | no |
| 计算值 | 如指定 |
| 动画类型 | discrete |
none
The content moves exactly with the user's finger. This value allows for free-form panning.
railed
Initial value. Panning locks to the primary axis of motion.
none | railed
Not part of any specification.
This property has no effect on non-scrollable elements.
Starting with Windows 8.1, this property is also supported for touchpad interaction.
This property requires Windows 8 or later.