when i want to set the background for my page, i coded like this code! But it's just quite close to be full , it still has a small " White BackGround " maybe only 5px or 7px on the right , left, top and bottom also :(
#background{8
background-image: url('picture/background.jpg') ;
background-repeat: no-repeat;
width : 100%;
height : 100%;
background-size : cover;
background-attachment: fixed;
top : 0px;
left : 0px;
}