@media screen and (min-width: 800px) {
  button {
    width: 6em;
    height: 1.7em;
    font-size: 1.5em;
  }

  #gradient-effect {
    width: 100%;
    height: 20em;
  }

  #introduction-frame {
    width: 40em;
    height: 20em;
    margin-left: 3em;
    margin-top: 3em;
  }

  
  #pages-frame {
    top: 40em;
    left: 0;
  }

  #exploreBtn {
    position: absolute;
    top: 16em;
    left: 2.2em;;
  }

  .ch1 {
    font-size: 5em;
    margin: 0;
  }

  #pages-frame button {
    height: 5em;
  }
}

@media screen and (max-width: 800px) {
  header .title {
    top: -0.6em;
    left: 1.5em;
    font-size: 3em;
  }

  main {
    height: 90em;
  }

  #gradient-effect {
    width: 100%;
    height: 20em;
  }

  #introduction-frame {
    margin-top: 20em;
  }

  #introduction-frame h4 {
    text-align: center;
  }

  #pages-frame {
    top: 50em;
    height: 22em;
    left: 0;
  }

  .ch1 {
    text-align: center;
    font-size: 2.8em;
    margin: 0;
  }

  footer p {
    font-size: 0.8em;
  }

  button {
    width: 6em;
    height: 1.7em;
    font-size: 1.5em;
  }

   #exploreBtn {
    position: absolute;
    top: 27em;
    left: 50%;
    transform: translateX(-50%);
  }

  #pages-frame .ch1 {
    margin-top: 1em;
    transform: translateX(-3%);
  }

  #pages-frame button {
    height: 6em;
  }

  #pages-frame button .title {
    font-size: 1.5em;
    left: 2.65em;
    top: -0.3em;
  }

  #pages-frame button .description {
    font-size: 0.6em;
    left: 6.69em;
    top: 2.8em;
    color: rgb(220, 227, 255);
    line-height: 1em;
  }

  #contact-frame  {
    top: 75em;
  }

  #contact-frame .ch1 {
    margin-left: 0;
  }

  #contact-frame div {
    width: 90%;
    margin-left: 50%;
    transform: translateX(-50%);
    justify-content: center;
  }

  #contact-frame .description {
    text-align: center;
    margin-left: 50%;
    transform: translateX(-50%);
    width: 90%;
  }

  #contact-frame div a svg {
    margin-left: 0.5em;
    margin-right: 0.5em;
  }
}