So it does indeed make the change and displays it as .png but with that warning. I thought the two backslashes [//] before logo.png were screwing things up so I changed them on the code and now it displays:
So it does indeed make the change and displays it as .png but with that warning. I thought the two backslashes [//] before logo.png were screwing things up so I changed them on the code and now it displays: