@media (max-width: 768px) {
  .container-fluid .rx_about {
    display: block;
    text-align: center;
    margin: 0;
  }
  .container-fluid .rx_about img {
    height: 53.33333333vw;
    margin: auto;
    margin-top: 2.66666667vw;
  }
  .container-fluid .rx_about .content {
    font-size: 3.73333333vw;
    padding: 0;
  }
}
.rx_about {
  display: flex;
  justify-content: space-between;
  margin: 50px 0;
  height: 100vh;
  overflow: hidden;
}
.rx_about img {
  height: 200px;
}
.rx_about .content {
  font-size: 18px;
  line-height: 3;
  padding: 0 15px;
}