try write it like this rgb(100, 100, 90), u can ad also rgba (100,100,90, 0-1) where 0-1 can be like 0.2 or 0.7where that number from 0-1 will be opacity for the color/image of the background
what white field? on the picture bottom or the one around the picture or something i am missing? I dont see anything white except on the picture or letter on the site