.prv_content_wrapper {
        background-image: url("../../File.ashx?id=1097904&filename=PictureBackground.jpg"); 
        background-image: -webkit-image-set(url("../../File.ashx?id=1097904&filename=PictureBackground.jpg") 1x, url("../../File.ashx?id=1098169&filename=PictureBackground_x2.jpg") 2x);
        background-image: -moz-image-set(url("../../File.ashx?id=1097904&filename=PictureBackground.jpg") 1x, url("../../File.ashx?id=1098169&filename=PictureBackground_x2.jpg") 2x);
        background-image: -o-image-set(url("../../File.ashx?id=1097904&filename=PictureBackground.jpg") 1x, url("../../File.ashx?id=1098169&filename=PictureBackground_x2.jpg") 2x);
        background-image: -ms-image-set(url("../../File.ashx?id=1097904&filename=PictureBackground.jpg") 1x, url("../../File.ashx?id=1098169&filename=PictureBackground_x2.jpg") 2x);
}

.prv_field.prv_valid .prv_field_validation {
    background-image: url("../../File.ashx?id=1097913&filename=Correct.svg");
}

.prv_field.prv_invalid .prv_field_validation {
    background-image: url("../../File.ashx?id=1097914&filename=Incorrect.svg");
}

.auth_checkbox_on {
    background-image: url("../../File.ashx?id=1098004&filename=Check.svg");
}