Everybody create this image follow instruction step by step
Step 1. First you take a file 1000px/800px.
Step 2. Now you select Rounded Rectangle tool and create a shape 512px/512px.
Step 3. Now you select this shape and use Gradient color ( linear gradient and 90 degree value). color chose as your like.
Step 4. Now you use pen tool and draw a hat like this and choose color black and yellow or your choose.
Step 5. Now you create a shape for light effect. use white color and select 30 value of Transparency tool.