web2468/src/styles/_rtl.scss

html[dir="rtl"] {
    .field-btn {
        left: 12px;
        right: auto;
    }

    .tab-nav {
        :first-child {
            border-radius: 0 4px 4px 0;
        }

        :last-child {
            border-radius: 4px 0 0 4px;
        }
    }

    .text-right {
        text-align: left;
    }

    .popup_close {
        left: 20px;
        right: auto;
    }
}