.wp-block-cnb-teachingtools {
  display: flex;
  justify-content: space-between;
}
.wp-block-cnb-teachingtools .wp-block-cnb-block.left {
  width: 52%;
}
.wp-block-cnb-teachingtools .wp-block-cnb-block.left .wp-block-cnb-openblock .wp-block-cnb-imgtext::after {
  content: url('img/plus.svg');
}
.wp-block-cnb-teachingtools .wp-block-cnb-block.right {
  width: 43%;
}
.wp-block-cnb-teachingtools .wp-block-cnb-gamesblock a.wp-block-cnb-imglink {
  width: calc(50% - 20px);
}
@media screen and (max-width: 1000px) {
  .wp-block-cnb-teachingtools {
    display: block;
  }
  .wp-block-cnb-teachingtools .wp-block-cnb-block.left {
    width: 100%;
  }
  .wp-block-cnb-teachingtools .wp-block-cnb-block.right {
    width: 100%;
  }
}