body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #03045e;
  color: #caf0f8;
}

#hero {
  margin: 0px;
  padding: 0px;
  display: block;
  overflow: hidden;
}

header {
  background: #0077b6;
  padding: 10px 0;
  text-align: center;
}

header nav ul {
  list-style: none;
  padding: 0;
}

header nav ul li {
  display: inline;
  margin: 0 15px;
}

header nav ul li a {
  color: #caf0f8;
  text-decoration: none;
}

section {
  padding: 20px;
  margin: 20px 0;
}

section h2 {
  text-align: center;
  margin-bottom: 20px;
}

.item {
  color: #000;
  background: #00b4d8;
  padding: 15px;
  margin-bottom: 15px;
}

footer {
  background: #0077b6;
  color: #caf0f8;
  text-align: center;
  padding: 10px 0;
  width: 100%;
  bottom: 0;
}

footer ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
}

footer ul li {
  margin: 0 10px;
}

footer ul li a {
  color: #90e0ef;
  text-decoration: none;
}