.button-burger {
  display: none;
  position: fixed;
  top: 32px;
  right: 25px;
  width: 20px;
  height: 20px;
  cursor: pointer;
  z-index: 1000;
}
.button-burger:before {
  content: "";
  position: absolute;
  display: block;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border-radius: 50px;
  border: 1px solid #1E2643;
  transform: translateX(-50%) translateY(-50%);
}
.button-burger .burger-menu {
  top: -1px;
  border: none;
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  width: 20px;
  height: 20px;
}
.button-burger .burger-menu .hamburger-box {
  width: 20px;
  height: 20px;
}
.button-burger .burger-menu .hamburger-inner,
.button-burger .burger-menu .hamburger-inner:after,
.button-burger .burger-menu .hamburger-inner:before {
  width: 20px;
  height: 2px;
  border-radius: 0;
}
.button-burger .burger-menu .hamburger-inner:before {
  top: -8px;
}
.button-burger .burger-menu .hamburger-inner:after {
  top: -16px;
}
.button-burger .burger-menu.is-active {
  top: 1px;
}
.button-burger .burger-menu.is-active .hamburger-inner:before {
  top: 0;
}
.button-burger .burger-menu.is-active .hamburger-inner:after {
  top: 2px;
}

@media screen and (max-width: 980px) {
  .button-burger {
    display: block;
  }
}