/* Small Devices */
@media only screen and (max-width: 767px) {
  .navbar-default {
    background-color: #fff !important;
    border-color: #e6e6e6;
  }
  .about-iphone img {
    width: 100%;
  }
  .purchase-now .col-md-3 {
    text-align: center;
    padding-top: 50px;
  }
}

/* Small Devices And Tablets */
@media only screen and (max-width: 768px) {
  .header-iphone {
    display: none;
  }
  .header-text,
  .header-btns {
    text-align: center;
  }
}

/* Medius Devices , Desktop */
@media only screen and (min-width: 992px) {
}

/* Large Devices, Wide Screen */
@media only screen and (min-width: 1200px) {
}