body {
    margin: 0;
    padding: 0;
    
}
.wrapper {

}
.navbar {
  display: flex;
  flex-direction: row;
  justify-content: center;
    background-color: rgba(87, 142, 76, 0.55);
  
    margin: auto 0;
}
.navbar-link {
    font-size: 18px;
    font-family: sans-serif;
    display: block;
    margin: 10px 30px;
    padding: 10px;
    color: #fff;
    letter-spacing: 1;
    text-transform: lowercase;
}
.navbar-link:hover {
    font-size: 18px;
    font-family: sans-serif;
    display: block;
    margin: 10px 30px;
    padding: 10px;
    color: #2b2828;
    letter-spacing: 1;
    background-color: #fff;
    text-transform: lowercase;
    animation: shake 0.82s cubic-bezier(.36,.07,.19,.97) both;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    perspective: 1000px;
}

@keyframes shake {
  10%, 90% {
    transform: translate3d(-1px, 0, 0);
  }

  20%, 80% {
    transform: translate3d(2px, 0, 0);
  }

  30%, 50%, 70% {
    transform: translate3d(-4px, 0, 0);
  }

  40%, 60% {
    transform: translate3d(4px, 0, 0);
  }
}