The view-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a named view progress timeline animation, which is progressed through based on the change in visibility of an element (known as the subject) inside a scrollable element (scroller). view-timeline-axis is set on the subject. See CSS scroll-driven animations for more details.... For horizontal writing modes, such as standard...flow of text in a line. For horizontal writing modes, this is the...