#hamburger {
  display: block;
  width: 52px;
  height: 39px;
  justify-self: end;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: 0.5s ease-in-out;
  -moz-transition: 0.5s ease-in-out;
  -o-transition: 0.5s ease-in-out;
  transition: 0.5s ease-in-out;
  cursor: pointer;
}

@media only screen and (min-width: 576px) {
  #hamburger {
    display: none;
  }
}

#hamburger span {
  display: block;
  position: absolute;
  height: 7px;
  width: 100%;
  background: var(--pale-red);
  border-radius: 9px;
  opacity: 1;
  left: 0;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: 0.25s ease-in-out;
  -moz-transition: 0.25s ease-in-out;
  -o-transition: 0.25s ease-in-out;
  transition: 0.25s ease-in-out;
}

#hamburger span:nth-child(1) {
  top: 0px;
}

#hamburger span:nth-child(2),
#hamburger span:nth-child(3) {
  top: 14px;
}

#hamburger span:nth-child(4) {
  top: 28px;
}

#hamburger.open span:nth-child(1) {
  top: 14px;
  width: 0%;
  left: 50%;
}

#hamburger.open span:nth-child(2) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
}

#hamburger.open span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

#hamburger.open span:nth-child(4) {
  top: 18px;
  width: 0%;
  left: 50%;
}