@media (max-width: 768px) {
  .container .rx_logo {
    display: block;
    text-align: center;
  }
  .container .rx_logo img {
    height: 53.33333333vw;
    margin: auto;
    margin-top: 5.33333333vw;
  }
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.rx_logo img {
  height: 200px;
}
.rx_logo {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}