I have been trying to replace the existing theme picture (located at the top, its a barn) with a picture of my own. I've tried to replace the image file in the CSS with my picture file but all it does is eliminate the default picture and leave nothing in its place. Thinking it may be an issue with the CSS code being able to locate my picture file. Not sure what i am doing wrong. I have consulted many tutorials and articles and have made no progress. Need help.