.btn__container{
  width: 90%;
  margin: 2rem 5%;
  display: box;
  margin: auto;
}

.btn--auto {
  width: auto;
}

.btn--blueO{
  background-color:#193455;
  color: white;
  font-size: 1.2rem;
  padding: 0.5rem 2rem;
  border:0;
}