@supports (font-variation-settings: normal) {
    @font-face {
        font-family: iransansxv;
        src: url('fonts/iransansxv.woff') format('woff-variations'),
        url('fonts/iransansxv.woff') format('woff');
        font-weight: 100 1000;
        font-display: fallback;
    }

    * {
        -moz-font-feature-settings: "ss02", "DOTS" 4!important;
        -webkit-font-feature-settings: "ss02", "DOTS" 4!important;
        font-feature-settings: "ss02";
        font-variation-settings: "DOTS" 4!important;
    }
}


@supports not (font-variation-settings: normal) {
    @font-face {
        font-family: iransansx;
        src: url('fonts/iransansx-regular.woff') format('woff');
    }

    @font-face {
        font-family: iransansx;
        src: url('fonts/iransansx-bold.woff') format('woff');
        font-weight: 700;
    }
}