.main_menu_burger{
  width: 30px;
  height: 20px;
  position: relative;
  margin: 30px 0 8px 60px;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .5s ease-in-out;
  -moz-transition: .5s ease-in-out;
  -o-transition: .5s ease-in-out;
  transition: .5s ease-in-out;
  cursor: pointer;
  z-index: 101;
  display: block;
  vertical-align:middle
}

.main_menu_burger span {
  display: block;
  position: absolute;
  height: 3px;
  width: 50%;
  background: #121212;
  opacity: 1;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .25s ease-in-out;
  -moz-transition: .25s ease-in-out;
  -o-transition: .25s ease-in-out;
  transition: .25s ease-in-out;
}

.main_menu_burger span:nth-child(even) {
  left: 50%;
  border-radius: 0;
}

.main_menu_burger span:nth-child(odd) {
  left:0px;
  border-radius: 0;
}

.main_menu_burger span:nth-child(1), .main_menu_burger span:nth-child(2) {
  top: 0px;
}

.main_menu_burger span:nth-child(3), .main_menu_burger span:nth-child(4) {
  top: 8px;
}

.main_menu_burger span:nth-child(5), .main_menu_burger span:nth-child(6) {
  top: 16px;
}

.main_menu_burger.open span:nth-child(1),.main_menu_burger.open span:nth-child(6) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
}

.main_menu_burger.open span:nth-child(2),.main_menu_burger.open span:nth-child(5) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.main_menu_burger.open span:nth-child(1) {
  left: 5px;
  top: 9px;
}

.main_menu_burger.open span:nth-child(2) {
  left: calc(50% - 5px);
  top: 9px;
}

.main_menu_burger.open span:nth-child(3) {
  left: -50%;
  opacity: 0;
}

.main_menu_burger.open span:nth-child(4) {
  left: 100%;
  opacity: 0;
}

.main_menu_burger.open span:nth-child(5) {
  left: 5px;
  top: 14px;
}

.main_menu_burger.open span:nth-child(6) {
  left: calc(50% - 5px);
  top: 14px;
}

@media(max-width:480px){
  .main_menu_burger{width:26px;height:18px}
  .main_menu_burger span{height:2px}
  .main_menu_burger span:nth-child(3), .main_menu_burger span:nth-child(4){top:8px}
  .main_menu_burger span:nth-child(5), .main_menu_burger span:nth-child(6){top:16px}
  .main_menu_burger.open span:nth-child(5){left:5px;top:12px}
  .main_menu_burger.open span:nth-child(6){left:8px;top:12px}
}