.mcart_saml_main_menu_icon {
    background: url(icons/mcart.saml/mnu_mcart_saml.png) no-repeat center;
}

.b24net-icon-btn--social-adfs {
    --ui-icon-service-bg-image: url(/bitrix/themes/.default/icons/mcart.saml/saml-long.png)
}

.adfs {
    background-image: url(/bitrix/themes/.default/icons/mcart.saml/adfs.svg) !important;
    background-size: 16px;
}