.hamburger .line{
  width: 39px;
  height: 2px;
  background-color: #ff8600;
  display: block;
  margin: 5px auto;
  -webkit-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.hamburger:hover{
  cursor: pointer;
}



.hamburger{
  -webkit-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}



@keyframes smallbig{
  0%, 100%{
    -webkit-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
  }

  50%{
    -webkit-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}

@media screen and (max-width: 768px){
  .hamburger.is-active{
    animation: smallbig 0.6s forwards;
  }
  .hamburger.is-active .line:nth-child(1),
  .hamburger.is-active .line:nth-child(2),
  .hamburger.is-active .line:nth-child(3){
    -webkit-transition-delay: 0.2s;
    -o-transition-delay: 0.2s;
    transition-delay: 0.2s;
  }

  .hamburger.is-active .line:nth-child(2){
    opacity: 0;
  }

  .hamburger.is-active .line:nth-child(1){
    -webkit-transform: translateY(7px) rotate(45deg);
    -ms-transform: translateY(7px) rotate(45deg);
    -o-transform: translateY(7px) rotate(45deg);
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.is-active .line:nth-child(3){
    -webkit-transform: translateY(-7px) rotate(-45deg);
    -ms-transform: translateY(-7px) rotate(-45deg);
    -o-transform: translateY(-7px) rotate(-45deg);
    transform: translateY(-7px) rotate(-45deg);
  }
}