Image button displaying 'Submit query' over the top of image in Firefox

Question

My project is displaying correctly in both IE and chrome. However in FF for some reason the image button displays \'Submit query\' over the top of it. I am setting the ima

Answer 1

still comes top in the google list so adding my 2 cents worth: the answers above work but don't address the cause; in our case it was the missing imageurl after replacing it with css like the above, in which case one simple solution is to use a linkbutton instead