.hamburger {
  display: inline-block;
  cursor: pointer;
  transition-property: opacity, -webkit-filter;
  transition-property: opacity, filter;
  transition-property: opacity, filter, -webkit-filter;
  transition-duration: 0.15s;
  transition-timing-function: linear;
  font: inherit;
  color: inherit;
  text-transform: none;
  background-color: transparent;
  border: 0;
  margin: 0;
  overflow: visible;
}
.hamburger:hover {
  opacity: 0.7;
}
.hamburger-box {
  width: 35px;
  height: 24px;
  display: inline-block;
  position: relative;
}
.hamburger-inner {
  display: block;
  top: 50%;
}
.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
  width: 35px;
  height: 4px;
  background-color: #000;
  border-radius: 3px;
  position: absolute;
  transition-property: -webkit-transform;
  transition-property: transform;
  transition-property: transform, -webkit-transform;
  transition-duration: 0.15s;
  transition-timing-function: ease;
}
.hamburger-inner::before, .hamburger-inner::after {
  content: "";
  display: block;
}
.hamburger-inner::before {
  top: -10px;
}
.hamburger-inner::after {
  bottom: -10px;
}
.hamburger--elastic-r .hamburger-inner {
  top: 0;
  transition-duration: 0.4s;
  transition-timing-function: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.hamburger--elastic-r .hamburger-inner::before {
  top: 10px;
  transition: opacity 0.15s 0.4s ease;
}
.hamburger--elastic-r .hamburger-inner::after {
  top: 20px;
  transition: -webkit-transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.hamburger--elastic-r.is-active .hamburger-inner {
  -webkit-transform: translate3d(0, 10px, 0) rotate(-135deg);
  transform: translate3d(0, 10px, 0) rotate(-135deg);
  transition-delay: 0.1s;
}
.hamburger--elastic-r.is-active .hamburger-inner::before {
  transition-delay: 0s;
  opacity: 0;
}
.hamburger--elastic-r.is-active .hamburger-inner::after {
  -webkit-transform: translate3d(0, -20px, 0) rotate(270deg);
  transform: translate3d(0, -20px, 0) rotate(270deg);
  transition-delay: 0.1s;
}