Adjust download link size

Author: fniephaus

_projects/croquet.md

@@ -6,4 +6,4 @@ href:       https://en.wikipedia.org/wiki/Croquet_Project
 ---
 A collaborative, live-programming, audio-visual, 3D environment that allows for the development of interactive worlds.
 
-[[Download OpenCroquet]](http://files.squeak.org/various_images/OpenCroquet/){:target="_blank"}
+[[Download OpenCroquet]](http://files.squeak.org/various_images/OpenCroquet/){: target="_blank" .small}