.menu {
  position: fixed;
  top: 20px;
  right: 30px;
  height: 46px;
  width: 46px;
  z-index: 1003;
}

.menu-link {
  background:#FFC107;
  border-radius: 50%; 
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 1002;
}

.menu-icon {
  position: absolute;
  width: 20px;
  height: 14px;
  margin: auto;
  left: 0;
  top: 0;
  right: 0;
  bottom: 1px;
}

.menu-circle {
  background-color: #fff;
  width: 100%;
  height: 100%;
  position: absolute;
  border-radius: 50%;
  transform: scale(1);
  z-index: 1000;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.menu-overlay {
  background-color: #fff;
  color: #333;
  height: 100%;
  width: 100%;
  position: fixed;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease-in-out;
  z-index: 1001;
}

.menu-line {
    background-color: #333;
    height: 2px;
    width: 100%;
    border-radius: 2px;
    position: absolute;
    left: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
   }

   .menu-line-1 { top: 0; }

   .menu-line-2 {
    top: 0;
    bottom: 0;
    margin: auto;
   }
   
   .menu-line-3 { bottom: 0; }

   /* .menu:hover .menu-circle { transform: scale(1.4); } */

   .menu-overlay.open {
    opacity: 1;
    visibility: visible;
   }
   .menu.open .menu-circle {
    transform: scale(60);
    opacity: 0.1;
    /* width: 10%; */
    width:7%;
    height: 20%;
   }

   .menu.open .menu-line-2 { opacity: 0; }

   .menu.open .menu-line-1 {
    transform: rotate(-45deg);
   }
   
   .menu.open .menu-line-3 {
    transform: rotate(45deg);
   }

   .menu.open .menu-line-1 {
    transform: translateY(7px) translateY(-50%) rotate(-45deg);
   }
   
   .menu.open .menu-line-3 {
    transform: translateY(-7px) translateY(50%) rotate(45deg);
   }