Its pretty basic. The background is just an filter. Wich u made to dark on the left, it riuns the total. Your render could use more blend. You should follow more tutorials i guess..
^ Agreed. Follow a few tutorials and you'll pick up some tips and ideas. This is over contrasted, from the right to left. I would get rid fo the text and reduce the size. The larger it is, the larger the focal point has to be. In this, the focal point is fairly small, compared to the whole size.