It should be able to work in most cases. Please give it a try and see.
Depends on where you want to put it.
Ohh thanks for pointing out. I think I forgot to add them. While I upload the screenshots, you can see this:
http://www.techoot.com/wp-content/plugins/notice-boxes-with-shortcodes/images/ss2.png
I don’t know the specific reason but this usually happens with cheap or free hosts. Which one are you using.
