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