body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #e0f7fa;
  color: #003c4d;
}
header {
  background-color: #00acc1;
  color: white;
  padding: 2rem;
  text-align: center;
}
h1, h2 {
  margin-bottom: 1rem;
}
section {
  padding: 2rem;
}
ul {
  list-style: square;
  padding-left: 2rem;
}
form {
  margin-top: 1rem;
}
input, textarea {
  display: block;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.5rem;
  width: 100%;
  max-width: 500px;
}
button {
  background-color: #00796b;
  color: white;
  padding: 0.7rem 1.5rem;
  border: none;
  cursor: pointer;
}
footer {
  background-color: #004d40;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}
a {
  color: #004d40;
  text-decoration: none;
}