ie 8下敷き背景図

body{

   background: #ffffff url('{{STATIC_URL}}img/banner.png') no-repeat scroll center center;

    -webkit-background-size: cover;

    -moz-background-size: cover;

    -o-background-size: cover;

    background-size: cover;

    /*IE8      */

    filter: progid: DXImageTransform.Microsoft.AlphaImageLoader( src='{{STATIC_URL}}img/banner.png', sizingMethod='scale');

    -ms-filter: progid: DXImageTransform.Microsoft.AlphaImageLoader( src='{{STATIC_URL}}img/banner.png', sizingMethod='scale');

}