.menu-2 {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  position: absolute;
  right: 50%;
  top: 100px;
  transform: translateX(-50%);
  width: 28px;
  height: 18px;
  font-size: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.menu-2:after {
  content: "";
  position: absolute;
  left: -12px;
  top: -16px;
  z-index: -1;
  width: 50px;
  height: 50px;
  background: #E83474;
  border-radius: 7px;
  opacity: 0.5;
  transition: 0.3s ease-out;
}
.menu-2 span {
  display: block;
  width: 100%;
  height: 3px;
  background: #000;
  margin-bottom: 5px;
  border-radius: 5px;
  transition: 0.3s ease-out;
}
.menu-2:hover span {
  background: #fff;
}
.menu-2:hover:after {
  opacity: 1;
}