p {
  width: 1200px;
}

li {
  width: 1100px;
}

li > span {
  font-weight: bold;
}

@media only screen and (max-width: 800px) {
  /* For mobile phones: */
  p {
    width: 100%;
  }

  li {
    width: 90%;
  }

  li > span {
    font-weight: bold;
  }
}