html, body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    font-weight: 400;
}

body,
.nav,
.btn,
.form-control,
.dropdown-menu,
.card,
.modal,
.main-header,
.main-sidebar,
.content-wrapper,
.main-footer {
    font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}