@media(max-width:768px) {
  .navbar-brand img {
    height: 68px !important;
  }
  .navbar-toggler {
  	background-color: #000;
  }
  .navbar-nav {
  	background-color: #fff;
  }
  .navbar-nav li {
  	border-bottom: 1px solid #000;
  }
  .about-1,.container-9 {
    
    margin: 0 18px;
}
}