You can add shadows, glows, overlays, gradients, and borders on selected layers in the Layer Properties window. You can also apply a bevel and emboss effect or use layer fill to enhance these features.
If you want to:
•apply color adjustments on a selected layer, see Adding Adjustment Layer.
•adjust the opacity of a layer, see Adjusting Layer Opacity.
•blend layers together, see Blending Layers.
Note: if you want to adjust the layer properties of the background layer, you must first click to unlock it.