Slack Persian Fix

main.css

@font-face {
  font-family: 'IRANSans';
  src : url("https://ir-cloud.ir/fonts/IRANSansFaNum/eot/IRANSansWeb(FaNum).eot"), url('https://ir-cloud.ir/fonts/IRANSansFaNum/woff/IRANSansWeb(FaNum).woff') format('woff'), url('https://ir-cloud.ir/fonts/IRANSansFaNum/ttf/IRANSansWeb(FaNum).ttf') format('truetype'), url("https://ir-cloud.ir/fonts/IRANSansFaNum/woff2/IRANSansWeb(FaNum).woff2") format('woff2');
}

.c-message {
    font-family: 'IRANSans', 'B Nazanin';
}

.c-message__content {
    direction: rtl;
    padding-right: 30%;
}