.cdn .main-middle-0 {
background-image: url('mainBg0.jpg');
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='mainBg0.jpg', sizingMethod='scale')
}
.cdn .main-middle-1 {
background-image: url('mainBg1.jpg');
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='mainBg1.jpg', sizingMethod='scale')
}
.cdn .main-middle-2 {
background-image: url('mainBg2.jpg');
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='mainBg2.jpg', sizingMethod='scale')
}
.cdn .main-middle-3 {
background-image: url('mainBg3.jpg');
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='mainBg3.jpg', sizingMethod='scale')
}