User blog comment:RRabbit42/Changes coming, here and on all wikis/@comment-3006892-20101007231801/@comment-88085-20101008073427

@Ard11230 Your screen resolution has to be wider than the width of the content area in order to see the triangles. A setting of 1280x1024 is sufficient. On 1024x768, all you will see is a tiny hint of triangles at the top and bottom.