In this tutorial we're going to create a blue Go button with a glassy look using Microsoft Expression Design. It's a layout that you are encouraged to play with a lot, since it doesn't follow any specific layout.

From the toolbar on the left, select the Rectangle object and on the right side of the window, under Create Rectangle set the Corner Radius to 8px. Now drag the rectangle close to the proportions of a square.

Under Appearance, make sure the Fill tab is selected and to the right select a gradient:

As you can see, the gradient goes from white to light blue, more exactly #7DD4FF. So far your rectangle should look like this:

Now select the Stroke tab and let's define a stroke for our little rectangle. The color is #72BBDF and the brush is called Coarse Flat Brush it's about the 10th under the General category:

With the Coarse Flat Brush, this is now what the rectangle looks like:

It's starting to shape up, doesn't it? Next step is to give it the glass effect. To do that, make sure our Rectangle object is selected, go to the Edit menu folowed by Copy. Now Edit and Paste In Front. This will create another Rectangle just the same but on the top of the previous one. Set its stroke to none and most importantly, its background color to a gradient. The gradient needs to go from #FFFFFF to #FFFFFF. What's the point behind this? Set the left value to Stop Alpha 40% and the right value of Stop Alpha 40% so that the gradient goes from slighly opaque to almost fully transparent. At this point the rectangle doesn't look much different:

Now grab the transparent rectangle from the bottom and resize it to half its height:



Note that you might want to adjust the new Rectangle to fit exactly inside the border (stroke) of the original, background rectangle and not go over it.

Now that it started looking like glass and the frame like painted glass, we can add some text. Using the Text tool, write something short on top of the rectangles, but after you're done, make sure to place it above the first Rectangle we created, but under the glassy one, so that it gets the glassy look as well.

To make it look good, use a gradient that goes from about #004A6F to #00ABFF, vertically. To make it in tone with the frame, use a stroke colored #009CFF and select the brush Soft Pencil 1, which is located under Dry Medium:

Now you achieved the final result, which is:

Obviously - and as I said before - you are strongly encouraged to play with the many brushes that are available by default in Expression Design, if you think that the Glass - Ink combination of this button is not the best.
And surely the button is too big for almost any use, so you will probably want to resize it