Fortrikka The behavior is similar to the animations which the website preferences windows create as well as the privacy button.
Fortrikka Vlad Here is a video. It simply shows without any sizeup animation. While the animation is of less initial size than the other buttons, in Safari it nevertheless still starts with a size around 85% smaller than its maximum size at the end.
Fortrikka Vlad The miniature start page slightly increases in size in Safari if you watch in slow motion. Orion's simply appears without any animation.
Vlad Fortrikka I still do not see the difference, I understand if you do. Waiting for more upvotes here.