height: 100%;
width: 100%;
background: url(‘../img/bg.png‘) no-repeat;
background-size: 100% 100%;
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=‘./img/bg.png‘,sizingMethod=‘scale‘); //src 是指相对本文件的根目录
-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=‘./img/bg.png‘, sizingMethod=‘scale‘)";
background: none\9;
}
