This Adobe Photoshop tutorial teaches you to design a clean glass button for your website.

You will make this button:

Start out by creating a blank document.

Use [ Rounded Rectangle Tool (U) ] to draw a rounded rectangle as shown.

Right click on its layer and click on [ Resterize Layer ].

Making Layer Style
Double click the layer or go to Layers->Blending options and apply settings as shown.

Result :

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Select the [ Rounded Rectangle Tool (U) ].

Draw an small rounded rectangle for glass effect.
Right click on new shape, then click on “Make Selection “.

Now make a new layer and use  [ Gradient Tool (G) ] to make a gradient as shown below.

Here is final result :

You can add your text to button.
I used style below for it.

Select the [Horizontal Type Tool (T) ].
Click and type your text.

Making text style
Double click the layer or go to Layers->Blending options and apply settings as shown.

Final Results :