body {
    padding-top: 120px;
}

.navbar {
    border-bottom: 3px solid #000;
    padding: 15px;
}

#logo img {
    width: 200px
}

@media screen and (max-width: 767px){
  #logo img {
      width: 150px
  } 
}

@media screen and (max-width: 575px){
  #logo img {
      width: 100px
  } 
}