Why is my scrollbar horizontal?

Web browsers do not take into account the width of the scrollbar on the side of a page when computing width values , so since we have a page that is longer than a single viewport, part of our page is being rendered behind the vertical scroll bar, causing the browser to display a horizontal scroll bar.

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What is ClampingScrollPhysics?

ClampingScrollPhysics class Null safety . Scroll physics for environments that prevent the scroll offset from reaching beyond the bounds of the content . This is the behavior typically seen on Android. See also: ScrollConfiguration, which uses this to provide the default scroll behavior on Android.

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