So the border stems from .column-header, which has a radius of 4px. The background color is set on its parent, .column-header__wrapper, which doesn't have a border radius. So you could either move the background-color declaration down to the child or apply the same border radius to the parent.
@ShadowJonathan @imtired I know what's going on 
So the border stems from .column-header, which has a radius of 4px. The background color is set on its parent, .column-header__wrapper, which doesn't have a border radius. So you could either move the background-color declaration down to the child or apply the same border radius to the parent.
So the border stems from .column-header, which has a radius of 4px. The background color is set on its parent, .column-header__wrapper, which doesn't have a border radius. So you could either move the background-color declaration down to the child or apply the same border radius to the parent.