body{
    margin: 0 auto;
}
nav {
    height: 40px;
    padding: 0 15px;
    overflow-y: hidden;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
}



.button {
    display: inline-block;
    text-decoration: none;
    padding: 5px 24px;
    border: 1px solid #69c069;
    border-radius: 4px;
    transition: all 0.2s ease-in;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    color: black;
    z-index: 1;
  }
  
  .button:before {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%) scaleY(1) scaleX(1.25);
    top: 100%;
    width: 140%;
    height: 180%;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    display: block;
    transition: all 0.5s 0.1s cubic-bezier(0.55, 0, 0.1, 1);
    z-index: -1;
  }
  
  .button:after {
    content: "";
    position: absolute;
    left: 55%;
    transform: translateX(-50%) scaleY(1) scaleX(1.45);
    top: 180%;
    width: 160%;
    height: 190%;
    background-color: #69c069;
    border-radius: 50%;
    display: block;
    transition: all 0.5s 0.1s cubic-bezier(0.55, 0, 0.1, 1);
    z-index: -1;
  }
  
  .button:hover {
    color: #ffffff;
    border: 1px solid #69c069;
  }
  
  .button:hover:before {
    top: -35%;
    background-color: #69c069;
    transform: translateX(-50%) scaleY(1.3) scaleX(0.8);
  }
  
  .button:hover:after {
    top: -45%;
    background-color: #69c069;
    transform: translateX(-50%) scaleY(1.3) scaleX(0.8);
  }