.navbar-brand {
  height: 40px;
}

@media (max-width: 1199px) {
  #start {
    background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('../img/crane.jpg');
    background-size: cover;
    background-position: bottom;
  }
}