IE 8背景色グラデーション

{
background: -webkit-linear-gradient(top, #049BD4, #007aa9);
background: #049BD4;
background: -moz-linear-gradient(top, #049BD4 0%, #007Dad 100%);
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #049BD4), color-stop(100%, #007aa9));
background: -webkit-linear-gradient(top, #049BD4 0%, #007aa9 100%);
background: -o-linear-gradient(top, #049BD4 0%, #007aa9 100%);
background: -ms-linear-gradient(top, #049BD4 0%, #007aa9 100%);
background: linear-gradient(to bottom, #049BD4 0%, #007aa9 100%);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#049BD4',endColorstr='#007aa9', GradientType=0);
}


:root .gradient {
    filter: none;
}