Sticky positioningThe position: sticky CSS declaration positions an element in the normal flow until it crosses a specified threshold, at which points it becomes fixed (stuck) at that position.positioningPositioningwidely2019-09-192022-03-19https://drafts.csswg.org/css-position-3/#stickypos-insetscss-stickyhttps://developer.mozilla.org/docs/Web/CSS/Reference/Properties/positioncss.properties.position.position_sticky_table_elementscss.properties.position.stickyhttps://nowyoucanuse.com/features--sticky-positioning.html