body {
    margin: 0;
    font: 1rem / 1.5 sans-serif;
  }
  
  main {
    margin: 6rem auto;
    width: 95%;
    max-width: 75ch;
    font-size: 1.125rem;
  }
  
  h1 {
    font: 600 1.875rem/1.25 MuseoModerno, sans-serif;
    color: #191919;
    text-align: center;
  }
  
  h2 {
    font: 400 1.875rem/1.25 MuseoModerno, sans-serif;
    color: #191919;
    text-align: center;
  }

  .btn1 {
    position: absolute;
    top:25%;
    left: 30%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn1:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn2 {
    position: absolute;
    top:25%;
    left: 45%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn2:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn3 {
    position: absolute;
    top:25%;
    left: 60%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn3:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn4 {
    position: absolute;
    top:45%;
    left: 30.3%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn4:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }
  
  .btn5 {
    position: absolute;
    top:45%;
    left: 43.5%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn5:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn6 {
    position: absolute;
    top:45%;
    left: 58.5%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn6:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn7 {
    position: absolute;
    top:65%;
    left: 30.3%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn7:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn8 {
    position: absolute;
    top:65%;
    left: 44.7%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn8:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }
  .btn9 {
    position: absolute;
    top:65%;
    left: 60.3%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn9:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn10 {
    position: absolute;
    top:85%;
    left: 30%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn10:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn11 {
    position: absolute;
    top:85%;
    left: 45.5%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn11:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }

  .btn12 {
    position: absolute;
    top:85%;
    left: 61.3%;
    background-color: #191919;
    color: #2ecc71;
    border-width: 2px;
    border-color: #191919;
    border-radius: 20px;
    box-shadow: 3px 3px #191919;
    padding: 30px;
  }
  
  .btn12:hover {
    background-color: #2ecc71;
    color: #191919;
    transition: 0.5s;
  }