final effect
1. Find a movie poster with a ratio of 5:7, open it and open the blending options, select "Outer Glow", and the parameters are (Blending mode: Screen, transparency 50%, size 5, color gray.)
2. Select the Rounded Rectangle Tool, set the radius to: 10, and set the mode to shape layer, as shown below. Then draw the box range and change the fill level to 0%. Then double-click the layer to bring up the layer style parameter settings as shown below.
3. Use the Rounded Rectangle Tool with a radius of 5, set the mode to Shape Layer, then pull out a rounded rectangle about the size of the poster, and change the fill level to: 0%. Double-click the layer to bring up the layer style, set the inner glow and stroke, and set the parameters as shown below.