OpenGL Glass HUD?

[erai]

Hello I Would like to know how to make somthing that looks like "Glass" the example would be in the game called Pikmin.

its in the HUD and i would like to know how to create somthing similar.
I Am not trying to copy the game i just like how it looks.

It looks like this: http://3.bp.blogspot.com/_CWor6UdXxBk/SbaZDWSF6VI/AAAAAAAAFCU/UQgBvgGq-VE/s400/pikmin.jpg

The rectangles that have numbers in them

[Bazzy]

Draw the right PNG images and load them as OpenGL textures

[erai]

I Mean to Dynamicly Genorate it

[Bazzy]

You need to draw the images for each digit and for the rectangles, you can generate textures pixel by pixel at runtime but it's quite a pain