.navbar-logo {
  height: 2.5rem;
}

.navbar-logo-shrink {
    height: 2.5rem;
}

@media only screen and (min-width: 750px) {
  .navbar-logo {
    height: 8rem;
    transition: height 150ms ease-in-out;
  }
  
  
  .navbar-logo-shrink {
    height: 2.5rem;
  }
}