Displaying layer styles
When a layer has a style, an "f" icon 
appears to the right of the layer's name in the Layers palette. You can show or hide the style's effects in the image and in the Layers palette.
To hide or show all layer styles in an image:
Choose Layer > Layer Style > Hide All Layer Effects or Show All Layer Effects.
To expand or collapse layer styles in the Layers palette:
- Click the triangle
next to the layer styles icon to expand the list of layer effects applied to that layer. - Click the inverted triangle
to collapse the layer effects. - To expand or collapse all of the layer styles applied within a layer set, hold down Alt (Windows) or Option (Mac OS) and click the triangle or inverted triangle for the set. The layer styles applied to all layers within the layer set expand or collapse correspondingly.
Do one of the following: