.cmd {
  display: flex;
  justify-content: center;
  margin-top: 5vh;
  margin-bottom: 20vh;
}

.cmd_btn {
  color: #013870;
  font-size: 1vw;
  font-weight: bolder;
  background-color: rgb(105, 188, 105);
  padding: 15px 40px;
  border-radius: 30px;
  transform: scale(1);
  transition: 300ms ease-in-out;
}

.cmd_btn:hover {
  transform: scale(1.05);
  transition: 300ms ease-in-out;
}

@media screen and (max-width: 550px) {
  .cmd_btn {
    font-size: 3vw;
  }
}