body {
  background-color: rgb(127, 189, 218);
  text-align: center;
}

.container {
  padding: 2rem;
}

h1 {
  margin: .5rem 2rem 3rem;
}

p, span {
  margin: 1rem auto;
  font-size: 20px;
}

p {
  width: 75%;
  margin-bottom: 3rem;
  font-weight: bold;
}

ol {
  width: 30%;
  margin: 2rem auto;
}

li {
  margin: 1rem auto;
  border-bottom: 1px dashed #000;
  padding: .5rem;
}

iframe {
  width: 55%;
  height: 415px;
  border: 10px solid brown;
  margin: 1rem auto;
  background-color: black;
}

#copy {
  display: block;
  margin: .3rem auto -.3rem;
}


/* For narrower screen widths */

@media (max-width: 1203px) {
  p {
    width: 82%;
  }

  iframe {
    width: 75%;
  }
}


@media (max-width: 997px) {
  ol {
    width: 40%;
  }
}


@media (max-width: 776px) {
  p {
    width: 95%;
  }

  ol {
    width: 60%;
  }

  iframe {
    width: 85%;
  }
}


@media (max-width: 690px) {
  h1 {
    margin: .5rem .5rem 3rem;
  }
}


@media (max-width: 642px) {
  h1 {
    margin: .5rem .1rem 3rem;
  }

  iframe {
    width: 98%;
  }
}


@media (max-width: 538px) {
  .container {
    padding: 1.25rem;
  }

  ol {
    width: 80%;
  }

  iframe {
    width: 100%;
    height: 350px;
    border: 5px solid brown;
  }
}


@media (max-width: 439px) {
  .container {
    padding: .75rem;
  }

  ol {
    width: 95%;
    padding-left: 1rem;
  }

  li {
    margin: 1rem;
  }

  iframe {
    height: 280px;
  }
}