Test

1.  Normal

2. Hidden

http://fitria.ilearning.me/wp-content/uploads/sites/908/2014/07/a2.png

3. Display Block

http://fitria.ilearning.me/wp-content/uploads/sites/908/2014/07/a2.png

4. Display None

http://fitria.ilearning.me/wp-content/uploads/sites/908/2014/07/a2.png

5. Visibility Hidden

http://fitria.ilearning.me/wp-content/uploads/sites/908/2014/07/a2.png