body {
  font-family: Arial, sans-serif;
  background-color: #84DCC6;
}

#header {
  background-color: #2E8B57;
  padding: 10px;
}

#header a {
  color: white;
  text-decoration: none;
}

#section {
  background-color: #FFFFFF;
  padding: 10px;
}

#section h1 {
  color: #2E8B57;
  text-align: center;
}

#section img {
  display: block;
  margin: 0 auto;
}

#section p {
  text-align: center;
  color: #2E8B57;
}

@media only screen and (min-width: 375px) and (max-width: 665px) {
  #header {
    text-align: center;
  }
  #header a {
    display: block;
    margin: 5px auto;
  }
  #section {
    text-align: center;
  }
}