A horizontal scrollbar that goes from left (min) to right (max). A horizontal scrollbar, typically used to navigate through content that extends beyond the visible width of a control. It is a [Range]-based control and goes from left (min) to right (max). Padding between the bottom of the [theme_item ScrollBar.scroll] element and the [theme_item ScrollBar.grabber]. [b]Note:[/b] To apply horizontal padding, modify the left/right content margins of [theme_item ScrollBar.scroll] instead. Padding between the top of the [theme_item ScrollBar.scroll] element and the [theme_item ScrollBar.grabber]. [b]Note:[/b] To apply horizontal padding, modify the left/right content margins of [theme_item ScrollBar.scroll] instead.