* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html,
  body {
    width: 100%;
    height: 200vh;
    background: #000;
  }
  
  .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
  }
  
  .sub-headings {
    max-width: 700px;
    text-align: center;
    margin: 20px;
    font-family: sans-serif;
    line-height: 30px;
  }
  
  h1 {
    margin-top: 50px;
    color: #fff;
    text-align: center;
    font-size: 4rem;
    margin-bottom: 6rem;
  }
  
  .arrow {
    width: 45px;
    height: 45px;
    border: 2px solid rgb(5, 68, 27);
    border-radius: 50%;
    position: absolute;
    bottom: 30px;
    margin: auto;
    transition: ease-in;
    animation: bounce 1.5s infinite;
  }
  
  .arrow:before {
    content: "";
    position: absolute;
    top: 11px;
    left: 13px;
    width: 12px;
    height: 12px;
    border-left: 2px solid #03d329;
    border-bottom: 2px solid #09e159;
    transform: rotate(-45deg);
  }

  @keyframes bounce {
    0% {
      transform: translate(0);
    }
    20% {
      transform: translateY(15px);
    }
    40% {
      transform: translate(0);
    }
  }
  
  @-webkit-keyframes bounce {
    0% {
      transform: translate(0);
    }
    20% {
      transform: translateY(15px);
    }
    40% {
      transform: translate(0);
    }
  }
  
  .fade-in {
    opacity: 1;
    transition: 1s all ease-in;
  }
  
  .fade-out {
    opacity: 0;
    transition: 1s all ease-out;
  }