acklen-keystone/admin/public/styles/isomorphic/forms/checkbox/rtl.less

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

html[dir="rtl"] {
  .ant-checkbox {
    &.ant-checkbox-checked {
      .ant-checkbox-inner {
        &:after {
          right: auto !important;
          left: 4px;
          border-right: 2px solid #fff;
          border-left: 0;
          -webkit-transform: rotate(45deg) scale(1) !important;
          -ms-transform: rotate(45deg) scale(1) !important;
          transform: rotate(45deg) scale(1) !important;
        }
      }
    }

    .ant-checkbox-inner {
      &:after {
        right: auto !important;
        left: 4px;
        border-right: 2px solid #fff;
        border-left: 0;
        -webkit-transform: rotate(45deg) scale(1) !important;
        -ms-transform: rotate(45deg) scale(1) !important;
        transform: rotate(45deg) scale(1) !important;
      }
    }

    &.ant-checkbox-indeterminate {
      .ant-checkbox-inner {
        &:after {
          right: 0;
          left: 2px;
          -webkit-transform: rotate(0) scale(1) !important;
          -ms-transform: rotate(0) scale(1) !important;
          transform: rotate(0) scale(1) !important;
        }
      }
    }
  }
}