@media screen and (max-width:1000px){
  #about-us{
    display: block; position: relative; bottom: 10rem;
  }
  
}
@media screen and (max-width:900px){
  #services-start{
    display: block; position: relative; bottom: 10rem;
  }
  
}

@media screen and (max-width:500px){
  .cid-t5zbwgGaGe button.navbar-toggler .hamburger span{
    background-color:cyan;
  }
  
}