.Mainimage {
  position: relative;
  width: 100%;
  max-width: 100%x;
}

.Mainimage img {
  width: 100%;
  height: 600px;
}

.Mainimage .btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  background-color: #f67920;
  color: white;
  font-size: 22px;
  padding: 20px 40px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  text-align: center;
}

.Mainimage .btn:hover {
  background-color: #f67920;
}




.centered {
    position: absolute;
    margin: 0;
    top: 30%;
    left: 50%;
    padding: 100px;
    margin-right: -50%;
    transform: translate(-50%,-50%);
    text-align: center;
}