acklen-keystone/admin/public/styles/isomorphic/mailbox/rtl.less

Web Application Framework and Admin GUI / Content Management System built on Express.js and Mongoose

html[dir="rtl"] .isoMailPagination button,
html[dir="rtl"] .isoMailActionsController .isoSingleMailPagination button{
  &.prevPage{
    order: 1;
    margin-right: -1px;
  }
}