.hamburger-container {
  position: absolute;
  top: 25px;
  right: 0;
  width: 40px;
  width: 36px;
  height: 36px;
}

.hamburger .lines {
  margin-top: 8px;
}

.hamburger .line {
  width: 30px;
  height: 3px;
  background-color: #222;
  display: block;
  margin: 6px 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 {
  position: relative;
  -webkit-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

#hamburger.is-active .lines {
  margin-top: 0;
  margin-left: -2px;
  transition: all 0.2s ease-in-out;
}

#hamburger.is-active .line {
  width: 26px;
  background-color: #222;
  height: 4px;
}

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

#hamburger.is-active .line:nth-child(1) {
  -webkit-transform: translateY(10px);
  -ms-transform: translateY(10px);
  -o-transform: translateY(10px);
  transform: translateY(10px) rotate(225deg);
}

#hamburger.is-active .line:nth-child(3) {
  -webkit-transform: translateY(-10px) rotate(90deg);
  -ms-transform: translateY(-10px) rotate(90deg);
  -o-transform: translateY(-10px) rotate(90deg);
  transform: translateY(-10px) rotate(135deg);
}