body {
    font-family: 'IRANSans' !important;
}



@font-face {
    font-family: 'IRANSans';
    src: url('IRANSansWeb/eot/IRANSans(FaNum)_Medium.eot') format('embedded-opentype'), 
        url('IRANSansWeb/ttf/IRANSansWeb(FaNum).ttf') format('truetype'), 
        url('IRANSansWeb/woff/IRANSansWeb(FaNum).woff') format('woff'), 
        url('IRANSansWeb/woff2/IRANSansWeb(FaNum).woff2') format('woff2');
}

body, h1, h2, h3, h4, h5, h6, span, a, p, button, tr, td {
    font-family: IRANSans,Tahoma !important;
}