A screening arrangement having a supply condition and a condition of use, comprising: a screening body adapted for screening an aperture of a frame, a first operating element, a second operating element, at least one cord system including a plurality of cords, two side rails (8, 9) adapted to be connected to side pieces of said frame, said screening body comprising a first end edge and a second end edge, said first end edge being fastened to the first operating element and the second end edge fastened to the second operating element, said first and second operating elements (71, 72) extending substantially in parallel to each other in a first longitudinal direction defining, in the condition of use, a width direction, said first longitudinal direction being substantially perpendicular to a second longitudinal direction defining a height direction, and said first and second operating elements (71, 72) being movable independently of each other in said second longitudinal direction, each side rail extending, in the condition of use, substantially perpendicularly to the first and second operating elements in the second longitudinal direction, said screening arrangement furthermore comprising a top element adapted to be positioned at a top piece of said frame, comprising a top rail extending in said first longitudinal direction, a corner fitting being connected to the top element, said corner fitting comprising means for accommodation of cords of said at least one cord system, and said corner fitting comprising coupling means adapted for cooperation with bracket members mounted on said frame, characterized in that the top element is adapted to be connected to said frame by guiding coupling members on the outer side of each corner fitting over bracket members positioned at the upper ends of each side piece (23,24) of said frame. a screening body adapted for screening an aperture of a frame, a first operating element, a second operating element, at least one cord system including a plurality of cords, two side rails (8, 9) adapted to be connected to side pieces of said frame, said screening body comprising a first end edge and a second end edge, said first end edge being fastened to the first operating element and the second end edge fastened to the second operating element, said first and second operating elements (71, 72) extending substantially in parallel to each other in a first longitudinal direction defining, in the condition of use, a width direction, said first longitudinal direction being substantially perpendicular to a second longitudinal direction defining a height direction, and said first and second operating elements (71, 72) being movable independently of each other in said second longitudinal direction, each side rail extending, in the condition of use, substantially perpendicularly to the first and second operating elements in the second longitudinal direction, said screening arrangement furthermore comprising a top element adapted to be positioned at a top piece of said frame, comprising a top rail extending in said first longitudinal direction, a corner fitting being connected to the top element, said corner fitting comprising means for accommodation of cords of said at least one cord system, and said corner fitting comprising coupling means adapted for cooperation with bracket members mounted on said frame, characterized in that the top element is adapted to be connected to said frame by guiding coupling members on the outer side of each corner fitting over bracket members positioned at the upper ends of each side piece (23,24) of said frame.